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Finding the Third Proportional to 57,088.13 and 81,145.13

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Solution

The third proportional to 57,088.13 and 81,145.13 is: 115,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088.13 : 81,145.13 = 81,145.13 : x
  2. Step 2: Convert to fraction form
    57,088.13/81,145.13 = 81,145.13/x
  3. Step 3: Cross multiply
    57,088.13x = 81,145.13 × 81,145.13
  4. Step 4: Simplify right side
    57,088.13x = 6,584,531,311.27
  5. Step 5: Solve for x
    x = 6,584,531,311.27/57,088.13
  6. Step 6: Final answer
    x = 115,339.77

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.