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Finding the Third Proportional to 66,883.50 and 91,713

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Solution

The third proportional to 66,883.50 and 91,713 is: 125,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,883.50 : 91,713 = 91,713 : x
  2. Step 2: Convert to fraction form
    66,883.50/91,713 = 91,713/x
  3. Step 3: Cross multiply
    66,883.50x = 91,713 × 91,713
  4. Step 4: Simplify right side
    66,883.50x = 8,411,274,369
  5. Step 5: Solve for x
    x = 8,411,274,369/66,883.50
  6. Step 6: Final answer
    x = 125,760.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.