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Finding the Third Proportional to 47,520 and 102,572

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Solution

The third proportional to 47,520 and 102,572 is: 221,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,520 : 102,572 = 102,572 : x
  2. Step 2: Convert to fraction form
    47,520/102,572 = 102,572/x
  3. Step 3: Cross multiply
    47,520x = 102,572 × 102,572
  4. Step 4: Simplify right side
    47,520x = 10,521,015,184
  5. Step 5: Solve for x
    x = 10,521,015,184/47,520
  6. Step 6: Final answer
    x = 221,401.83

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.