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Finding the Third Proportional to 132,429.38 and 288,501.75

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Solution

The third proportional to 132,429.38 and 288,501.75 is: 628,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,429.38 : 288,501.75 = 288,501.75 : x
  2. Step 2: Convert to fraction form
    132,429.38/288,501.75 = 288,501.75/x
  3. Step 3: Cross multiply
    132,429.38x = 288,501.75 × 288,501.75
  4. Step 4: Simplify right side
    132,429.38x = 83,233,259,753.06
  5. Step 5: Solve for x
    x = 83,233,259,753.06/132,429.38
  6. Step 6: Final answer
    x = 628,510.55

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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.