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Finding the Third Proportional to 52,690 and 126,982

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Solution

The third proportional to 52,690 and 126,982 is: 306,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,690 : 126,982 = 126,982 : x
  2. Step 2: Convert to fraction form
    52,690/126,982 = 126,982/x
  3. Step 3: Cross multiply
    52,690x = 126,982 × 126,982
  4. Step 4: Simplify right side
    52,690x = 16,124,428,324
  5. Step 5: Solve for x
    x = 16,124,428,324/52,690
  6. Step 6: Final answer
    x = 306,024.45

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.