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Finding the Third Proportional to 52,281 and 81,065.25

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Solution

The third proportional to 52,281 and 81,065.25 is: 125,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281 : 81,065.25 = 81,065.25 : x
  2. Step 2: Convert to fraction form
    52,281/81,065.25 = 81,065.25/x
  3. Step 3: Cross multiply
    52,281x = 81,065.25 × 81,065.25
  4. Step 4: Simplify right side
    52,281x = 6,571,574,757.56
  5. Step 5: Solve for x
    x = 6,571,574,757.56/52,281
  6. Step 6: Final answer
    x = 125,697.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.