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Finding the Third Proportional to 59,990.81 and 131,281.13

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Solution

The third proportional to 59,990.81 and 131,281.13 is: 287,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,990.81 : 131,281.13 = 131,281.13 : x
  2. Step 2: Convert to fraction form
    59,990.81/131,281.13 = 131,281.13/x
  3. Step 3: Cross multiply
    59,990.81x = 131,281.13 × 131,281.13
  4. Step 4: Simplify right side
    59,990.81x = 17,234,733,781.27
  5. Step 5: Solve for x
    x = 17,234,733,781.27/59,990.81
  6. Step 6: Final answer
    x = 287,289.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.