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Finding the Third Proportional to 132,442 and 288,527

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Solution

The third proportional to 132,442 and 288,527 is: 628,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,442 : 288,527 = 288,527 : x
  2. Step 2: Convert to fraction form
    132,442/288,527 = 288,527/x
  3. Step 3: Cross multiply
    132,442x = 288,527 × 288,527
  4. Step 4: Simplify right side
    132,442x = 83,247,829,729
  5. Step 5: Solve for x
    x = 83,247,829,729/132,442
  6. Step 6: Final answer
    x = 628,560.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.