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Finding the Third Proportional to 371,562.19 and 517,005.28

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Solution

The third proportional to 371,562.19 and 517,005.28 is: 719,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,562.19 : 517,005.28 = 517,005.28 : x
  2. Step 2: Convert to fraction form
    371,562.19/517,005.28 = 517,005.28/x
  3. Step 3: Cross multiply
    371,562.19x = 517,005.28 × 517,005.28
  4. Step 4: Simplify right side
    371,562.19x = 267,294,460,840.39
  5. Step 5: Solve for x
    x = 267,294,460,840.39/371,562.19
  6. Step 6: Final answer
    x = 719,380.15

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.