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Finding the Third Proportional to 69,337.50 and 99,084

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Solution

The third proportional to 69,337.50 and 99,084 is: 141,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,337.50 : 99,084 = 99,084 : x
  2. Step 2: Convert to fraction form
    69,337.50/99,084 = 99,084/x
  3. Step 3: Cross multiply
    69,337.50x = 99,084 × 99,084
  4. Step 4: Simplify right side
    69,337.50x = 9,817,639,056
  5. Step 5: Solve for x
    x = 9,817,639,056/69,337.50
  6. Step 6: Final answer
    x = 141,592.05

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.