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Finding the Third Proportional to 35,890 and 51,374

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Solution

The third proportional to 35,890 and 51,374 is: 73,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890 : 51,374 = 51,374 : x
  2. Step 2: Convert to fraction form
    35,890/51,374 = 51,374/x
  3. Step 3: Cross multiply
    35,890x = 51,374 × 51,374
  4. Step 4: Simplify right side
    35,890x = 2,639,287,876
  5. Step 5: Solve for x
    x = 2,639,287,876/35,890
  6. Step 6: Final answer
    x = 73,538.25

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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.