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Finding the Third Proportional to 45,344 and 70,384

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Solution

The third proportional to 45,344 and 70,384 is: 109,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,344 : 70,384 = 70,384 : x
  2. Step 2: Convert to fraction form
    45,344/70,384 = 70,384/x
  3. Step 3: Cross multiply
    45,344x = 70,384 × 70,384
  4. Step 4: Simplify right side
    45,344x = 4,953,907,456
  5. Step 5: Solve for x
    x = 4,953,907,456/45,344
  6. Step 6: Final answer
    x = 109,251.66

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.