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Finding the Third Proportional to 59,616.63 and 130,999.78

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Solution

The third proportional to 59,616.63 and 130,999.78 is: 287,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,616.63 : 130,999.78 = 130,999.78 : x
  2. Step 2: Convert to fraction form
    59,616.63/130,999.78 = 130,999.78/x
  3. Step 3: Cross multiply
    59,616.63x = 130,999.78 × 130,999.78
  4. Step 4: Simplify right side
    59,616.63x = 17,160,942,687.55
  5. Step 5: Solve for x
    x = 17,160,942,687.55/59,616.63
  6. Step 6: Final answer
    x = 287,854.95

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.