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Finding the Third Proportional to 62,810.50 and 135,469

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Solution

The third proportional to 62,810.50 and 135,469 is: 292,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,810.50 : 135,469 = 135,469 : x
  2. Step 2: Convert to fraction form
    62,810.50/135,469 = 135,469/x
  3. Step 3: Cross multiply
    62,810.50x = 135,469 × 135,469
  4. Step 4: Simplify right side
    62,810.50x = 18,351,849,961
  5. Step 5: Solve for x
    x = 18,351,849,961/62,810.50
  6. Step 6: Final answer
    x = 292,178.06

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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.