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Finding the Third Proportional to 51,693 and 76,566

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Solution

The third proportional to 51,693 and 76,566 is: 113,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,693 : 76,566 = 76,566 : x
  2. Step 2: Convert to fraction form
    51,693/76,566 = 76,566/x
  3. Step 3: Cross multiply
    51,693x = 76,566 × 76,566
  4. Step 4: Simplify right side
    51,693x = 5,862,352,356
  5. Step 5: Solve for x
    x = 5,862,352,356/51,693
  6. Step 6: Final answer
    x = 113,407.08

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.