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Finding the Third Proportional to 118,635.75 and 280,045.13

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Solution

The third proportional to 118,635.75 and 280,045.13 is: 661,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,635.75 : 280,045.13 = 280,045.13 : x
  2. Step 2: Convert to fraction form
    118,635.75/280,045.13 = 280,045.13/x
  3. Step 3: Cross multiply
    118,635.75x = 280,045.13 × 280,045.13
  4. Step 4: Simplify right side
    118,635.75x = 78,425,272,036.27
  5. Step 5: Solve for x
    x = 78,425,272,036.27/118,635.75
  6. Step 6: Final answer
    x = 661,059.35

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.