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Finding the Third Proportional to 59,439.84 and 91,360.64

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Solution

The third proportional to 59,439.84 and 91,360.64 is: 140,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,439.84 : 91,360.64 = 91,360.64 : x
  2. Step 2: Convert to fraction form
    59,439.84/91,360.64 = 91,360.64/x
  3. Step 3: Cross multiply
    59,439.84x = 91,360.64 × 91,360.64
  4. Step 4: Simplify right side
    59,439.84x = 8,346,767,190.73
  5. Step 5: Solve for x
    x = 8,346,767,190.73/59,439.84
  6. Step 6: Final answer
    x = 140,423.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.