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Finding the Third Proportional to 47,928 and 98,160

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Solution

The third proportional to 47,928 and 98,160 is: 201,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,928 : 98,160 = 98,160 : x
  2. Step 2: Convert to fraction form
    47,928/98,160 = 98,160/x
  3. Step 3: Cross multiply
    47,928x = 98,160 × 98,160
  4. Step 4: Simplify right side
    47,928x = 9,635,385,600
  5. Step 5: Solve for x
    x = 9,635,385,600/47,928
  6. Step 6: Final answer
    x = 201,038.76

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.