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Finding the Third Proportional to 77,854.13 and 116,374.50

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Solution

The third proportional to 77,854.13 and 116,374.50 is: 173,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,854.13 : 116,374.50 = 116,374.50 : x
  2. Step 2: Convert to fraction form
    77,854.13/116,374.50 = 116,374.50/x
  3. Step 3: Cross multiply
    77,854.13x = 116,374.50 × 116,374.50
  4. Step 4: Simplify right side
    77,854.13x = 13,543,024,250.25
  5. Step 5: Solve for x
    x = 13,543,024,250.25/77,854.13
  6. Step 6: Final answer
    x = 173,953.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.