Home / 201,918-313,547

Finding the Third Proportional to 201,918 and 313,547

Calculator

Solution

The third proportional to 201,918 and 313,547 is: 486,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,918 : 313,547 = 313,547 : x
  2. Step 2: Convert to fraction form
    201,918/313,547 = 313,547/x
  3. Step 3: Cross multiply
    201,918x = 313,547 × 313,547
  4. Step 4: Simplify right side
    201,918x = 98,311,721,209
  5. Step 5: Solve for x
    x = 98,311,721,209/201,918
  6. Step 6: Final answer
    x = 486,889.34

Related Problems

Find third proportional to 100,959 and 156,773.50
Half scale
Find third proportional to 403,836 and 627,094
Double scale
Find third proportional to 201,920 and 313,550
Similar ratio
Find third proportional to 302,877 and 470,320.50
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.