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Finding the Third Proportional to 47,160 and 99,558

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Solution

The third proportional to 47,160 and 99,558 is: 210,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,160 : 99,558 = 99,558 : x
  2. Step 2: Convert to fraction form
    47,160/99,558 = 99,558/x
  3. Step 3: Cross multiply
    47,160x = 99,558 × 99,558
  4. Step 4: Simplify right side
    47,160x = 9,911,795,364
  5. Step 5: Solve for x
    x = 9,911,795,364/47,160
  6. Step 6: Final answer
    x = 210,173.78

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.