Home / 200,831,430-310,335,771

Finding the Third Proportional to 200,831,430 and 310,335,771

Calculator

Solution

The third proportional to 200,831,430 and 310,335,771 is: 479,547,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,831,430 : 310,335,771 = 310,335,771 : x
  2. Step 2: Convert to fraction form
    200,831,430/310,335,771 = 310,335,771/x
  3. Step 3: Cross multiply
    200,831,430x = 310,335,771 × 310,335,771
  4. Step 4: Simplify right side
    200,831,430x = 96,308,290,762,164,448
  5. Step 5: Solve for x
    x = 96,308,290,762,164,448/200,831,430
  6. Step 6: Final answer
    x = 479,547,901.25

Related Problems

Find third proportional to 100,415,715 and 155,167,885.50
Half scale
Find third proportional to 401,662,860 and 620,671,542
Double scale
Find third proportional to 200,831,432 and 310,335,774
Similar ratio
Find third proportional to 301,247,145 and 465,503,656.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.