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Finding the Third Proportional to 8,702.53 and 17,866.13

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Solution

The third proportional to 8,702.53 and 17,866.13 is: 36,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.53 : 17,866.13 = 17,866.13 : x
  2. Step 2: Convert to fraction form
    8,702.53/17,866.13 = 17,866.13/x
  3. Step 3: Cross multiply
    8,702.53x = 17,866.13 × 17,866.13
  4. Step 4: Simplify right side
    8,702.53x = 319,198,422.52
  5. Step 5: Solve for x
    x = 319,198,422.52/8,702.53
  6. Step 6: Final answer
    x = 36,678.80

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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.