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Finding the Third Proportional to 11,566.13 and 15,432.19

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Solution

The third proportional to 11,566.13 and 15,432.19 is: 20,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.13 : 15,432.19 = 15,432.19 : x
  2. Step 2: Convert to fraction form
    11,566.13/15,432.19 = 15,432.19/x
  3. Step 3: Cross multiply
    11,566.13x = 15,432.19 × 15,432.19
  4. Step 4: Simplify right side
    11,566.13x = 238,152,411.04
  5. Step 5: Solve for x
    x = 238,152,411.04/11,566.13
  6. Step 6: Final answer
    x = 20,590.51

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.