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Finding the Third Proportional to 57,262.75 and 86,521.75

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Solution

The third proportional to 57,262.75 and 86,521.75 is: 130,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,262.75 : 86,521.75 = 86,521.75 : x
  2. Step 2: Convert to fraction form
    57,262.75/86,521.75 = 86,521.75/x
  3. Step 3: Cross multiply
    57,262.75x = 86,521.75 × 86,521.75
  4. Step 4: Simplify right side
    57,262.75x = 7,486,013,223.06
  5. Step 5: Solve for x
    x = 7,486,013,223.06/57,262.75
  6. Step 6: Final answer
    x = 130,730.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.