Home / 286,164-621,534

Finding the Third Proportional to 286,164 and 621,534

Calculator

Solution

The third proportional to 286,164 and 621,534 is: 1,349,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,164 : 621,534 = 621,534 : x
  2. Step 2: Convert to fraction form
    286,164/621,534 = 621,534/x
  3. Step 3: Cross multiply
    286,164x = 621,534 × 621,534
  4. Step 4: Simplify right side
    286,164x = 386,304,513,156
  5. Step 5: Solve for x
    x = 386,304,513,156/286,164
  6. Step 6: Final answer
    x = 1,349,940.99

Related Problems

Find third proportional to 143,082 and 310,767
Half scale
Find third proportional to 572,328 and 1,243,068
Double scale
Find third proportional to 286,166 and 621,538
Similar ratio
Find third proportional to 429,246 and 932,301
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.