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Finding the Third Proportional to 112,542 and 247,911

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Solution

The third proportional to 112,542 and 247,911 is: 546,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,542 : 247,911 = 247,911 : x
  2. Step 2: Convert to fraction form
    112,542/247,911 = 247,911/x
  3. Step 3: Cross multiply
    112,542x = 247,911 × 247,911
  4. Step 4: Simplify right side
    112,542x = 61,459,863,921
  5. Step 5: Solve for x
    x = 61,459,863,921/112,542
  6. Step 6: Final answer
    x = 546,106.02

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.