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Finding the Third Proportional to 47,125.50 and 99,705

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Solution

The third proportional to 47,125.50 and 99,705 is: 210,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,125.50 : 99,705 = 99,705 : x
  2. Step 2: Convert to fraction form
    47,125.50/99,705 = 99,705/x
  3. Step 3: Cross multiply
    47,125.50x = 99,705 × 99,705
  4. Step 4: Simplify right side
    47,125.50x = 9,941,087,025
  5. Step 5: Solve for x
    x = 9,941,087,025/47,125.50
  6. Step 6: Final answer
    x = 210,949.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.