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Finding the Third Proportional to 88,816.50 and 137,490.75

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Solution

The third proportional to 88,816.50 and 137,490.75 is: 212,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,816.50 : 137,490.75 = 137,490.75 : x
  2. Step 2: Convert to fraction form
    88,816.50/137,490.75 = 137,490.75/x
  3. Step 3: Cross multiply
    88,816.50x = 137,490.75 × 137,490.75
  4. Step 4: Simplify right side
    88,816.50x = 18,903,706,335.56
  5. Step 5: Solve for x
    x = 18,903,706,335.56/88,816.50
  6. Step 6: Final answer
    x = 212,840.03

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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.