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Finding the Third Proportional to 5,875.88 and 9,109.13

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Solution

The third proportional to 5,875.88 and 9,109.13 is: 14,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.88 : 9,109.13 = 9,109.13 : x
  2. Step 2: Convert to fraction form
    5,875.88/9,109.13 = 9,109.13/x
  3. Step 3: Cross multiply
    5,875.88x = 9,109.13 × 9,109.13
  4. Step 4: Simplify right side
    5,875.88x = 82,976,158.27
  5. Step 5: Solve for x
    x = 82,976,158.27/5,875.88
  6. Step 6: Final answer
    x = 14,121.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.