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Finding the Third Proportional to 15,400.13 and 23,155.88

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Solution

The third proportional to 15,400.13 and 23,155.88 is: 34,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.13 : 23,155.88 = 23,155.88 : x
  2. Step 2: Convert to fraction form
    15,400.13/23,155.88 = 23,155.88/x
  3. Step 3: Cross multiply
    15,400.13x = 23,155.88 × 23,155.88
  4. Step 4: Simplify right side
    15,400.13x = 536,194,547.02
  5. Step 5: Solve for x
    x = 536,194,547.02/15,400.13
  6. Step 6: Final answer
    x = 34,817.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.