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Finding the Third Proportional to 31,708 and 45,294

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Solution

The third proportional to 31,708 and 45,294 is: 64,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708 : 45,294 = 45,294 : x
  2. Step 2: Convert to fraction form
    31,708/45,294 = 45,294/x
  3. Step 3: Cross multiply
    31,708x = 45,294 × 45,294
  4. Step 4: Simplify right side
    31,708x = 2,051,546,436
  5. Step 5: Solve for x
    x = 2,051,546,436/31,708
  6. Step 6: Final answer
    x = 64,701.22

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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.