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Finding the Third Proportional to 70,451.50 and 108,957.75

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Solution

The third proportional to 70,451.50 and 108,957.75 is: 168,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,451.50 : 108,957.75 = 108,957.75 : x
  2. Step 2: Convert to fraction form
    70,451.50/108,957.75 = 108,957.75/x
  3. Step 3: Cross multiply
    70,451.50x = 108,957.75 × 108,957.75
  4. Step 4: Simplify right side
    70,451.50x = 11,871,791,285.06
  5. Step 5: Solve for x
    x = 11,871,791,285.06/70,451.50
  6. Step 6: Final answer
    x = 168,510.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.