Home / 279,305-607,210

Finding the Third Proportional to 279,305 and 607,210

Calculator

Solution

The third proportional to 279,305 and 607,210 is: 1,320,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,305 : 607,210 = 607,210 : x
  2. Step 2: Convert to fraction form
    279,305/607,210 = 607,210/x
  3. Step 3: Cross multiply
    279,305x = 607,210 × 607,210
  4. Step 4: Simplify right side
    279,305x = 368,703,984,100
  5. Step 5: Solve for x
    x = 368,703,984,100/279,305
  6. Step 6: Final answer
    x = 1,320,076.56

Related Problems

Find third proportional to 139,652.50 and 303,605
Half scale
Find third proportional to 558,610 and 1,214,420
Double scale
Find third proportional to 279,307 and 607,214
Similar ratio
Find third proportional to 418,957.50 and 910,815
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.