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Finding the Third Proportional to 59,708.81 and 128,261.81

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Solution

The third proportional to 59,708.81 and 128,261.81 is: 275,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,708.81 : 128,261.81 = 128,261.81 : x
  2. Step 2: Convert to fraction form
    59,708.81/128,261.81 = 128,261.81/x
  3. Step 3: Cross multiply
    59,708.81x = 128,261.81 × 128,261.81
  4. Step 4: Simplify right side
    59,708.81x = 16,451,092,545.79
  5. Step 5: Solve for x
    x = 16,451,092,545.79/59,708.81
  6. Step 6: Final answer
    x = 275,522.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.