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Finding the Third Proportional to 4,857.19 and 10,489.78

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Solution

The third proportional to 4,857.19 and 10,489.78 is: 22,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.19 : 10,489.78 = 10,489.78 : x
  2. Step 2: Convert to fraction form
    4,857.19/10,489.78 = 10,489.78/x
  3. Step 3: Cross multiply
    4,857.19x = 10,489.78 × 10,489.78
  4. Step 4: Simplify right side
    4,857.19x = 110,035,510.67
  5. Step 5: Solve for x
    x = 110,035,510.67/4,857.19
  6. Step 6: Final answer
    x = 22,654.16

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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.