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Finding the Third Proportional to 70,885 and 96,312

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Solution

The third proportional to 70,885 and 96,312 is: 130,859.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,885 : 96,312 = 96,312 : x
  2. Step 2: Convert to fraction form
    70,885/96,312 = 96,312/x
  3. Step 3: Cross multiply
    70,885x = 96,312 × 96,312
  4. Step 4: Simplify right side
    70,885x = 9,276,001,344
  5. Step 5: Solve for x
    x = 9,276,001,344/70,885
  6. Step 6: Final answer
    x = 130,859.86

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.