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Finding the Third Proportional to 84,708 and 112,928

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Solution

The third proportional to 84,708 and 112,928 is: 150,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,708 : 112,928 = 112,928 : x
  2. Step 2: Convert to fraction form
    84,708/112,928 = 112,928/x
  3. Step 3: Cross multiply
    84,708x = 112,928 × 112,928
  4. Step 4: Simplify right side
    84,708x = 12,752,733,184
  5. Step 5: Solve for x
    x = 12,752,733,184/84,708
  6. Step 6: Final answer
    x = 150,549.34

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.