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Finding the Third Proportional to 47,643 and 102,463.50

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Solution

The third proportional to 47,643 and 102,463.50 is: 220,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643 : 102,463.50 = 102,463.50 : x
  2. Step 2: Convert to fraction form
    47,643/102,463.50 = 102,463.50/x
  3. Step 3: Cross multiply
    47,643x = 102,463.50 × 102,463.50
  4. Step 4: Simplify right side
    47,643x = 10,498,768,832.25
  5. Step 5: Solve for x
    x = 10,498,768,832.25/47,643
  6. Step 6: Final answer
    x = 220,363.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.