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Finding the Third Proportional to 70,156 and 124,728.88

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Solution

The third proportional to 70,156 and 124,728.88 is: 221,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,156 : 124,728.88 = 124,728.88 : x
  2. Step 2: Convert to fraction form
    70,156/124,728.88 = 124,728.88/x
  3. Step 3: Cross multiply
    70,156x = 124,728.88 × 124,728.88
  4. Step 4: Simplify right side
    70,156x = 15,557,292,258.77
  5. Step 5: Solve for x
    x = 15,557,292,258.77/70,156
  6. Step 6: Final answer
    x = 221,752.84

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.