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Finding the Third Proportional to 102,250 and 209,457

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Solution

The third proportional to 102,250 and 209,457 is: 429,068.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,250 : 209,457 = 209,457 : x
  2. Step 2: Convert to fraction form
    102,250/209,457 = 209,457/x
  3. Step 3: Cross multiply
    102,250x = 209,457 × 209,457
  4. Step 4: Simplify right side
    102,250x = 43,872,234,849
  5. Step 5: Solve for x
    x = 43,872,234,849/102,250
  6. Step 6: Final answer
    x = 429,068.31

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.