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Finding the Third Proportional to 56,781.50 and 119,448

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Solution

The third proportional to 56,781.50 and 119,448 is: 251,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,781.50 : 119,448 = 119,448 : x
  2. Step 2: Convert to fraction form
    56,781.50/119,448 = 119,448/x
  3. Step 3: Cross multiply
    56,781.50x = 119,448 × 119,448
  4. Step 4: Simplify right side
    56,781.50x = 14,267,824,704
  5. Step 5: Solve for x
    x = 14,267,824,704/56,781.50
  6. Step 6: Final answer
    x = 251,275.94

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.