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Finding the Third Proportional to 129,445.88 and 276,882.38

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Solution

The third proportional to 129,445.88 and 276,882.38 is: 592,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,445.88 : 276,882.38 = 276,882.38 : x
  2. Step 2: Convert to fraction form
    129,445.88/276,882.38 = 276,882.38/x
  3. Step 3: Cross multiply
    129,445.88x = 276,882.38 × 276,882.38
  4. Step 4: Simplify right side
    129,445.88x = 76,663,849,585.64
  5. Step 5: Solve for x
    x = 76,663,849,585.64/129,445.88
  6. Step 6: Final answer
    x = 592,246.37

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.