Home / 142,210-307,226

Finding the Third Proportional to 142,210 and 307,226

Calculator

Solution

The third proportional to 142,210 and 307,226 is: 663,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,210 : 307,226 = 307,226 : x
  2. Step 2: Convert to fraction form
    142,210/307,226 = 307,226/x
  3. Step 3: Cross multiply
    142,210x = 307,226 × 307,226
  4. Step 4: Simplify right side
    142,210x = 94,387,815,076
  5. Step 5: Solve for x
    x = 94,387,815,076/142,210
  6. Step 6: Final answer
    x = 663,721.36

Related Problems

Find third proportional to 71,105 and 153,613
Half scale
Find third proportional to 284,420 and 614,452
Double scale
Find third proportional to 142,212 and 307,230
Similar ratio
Find third proportional to 213,315 and 460,839
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.