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Finding the Third Proportional to 206,604 and 314,028

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Solution

The third proportional to 206,604 and 314,028 is: 477,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,604 : 314,028 = 314,028 : x
  2. Step 2: Convert to fraction form
    206,604/314,028 = 314,028/x
  3. Step 3: Cross multiply
    206,604x = 314,028 × 314,028
  4. Step 4: Simplify right side
    206,604x = 98,613,584,784
  5. Step 5: Solve for x
    x = 98,613,584,784/206,604
  6. Step 6: Final answer
    x = 477,307.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.