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Finding the Third Proportional to 4,660.66 and 9,866.18

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Solution

The third proportional to 4,660.66 and 9,866.18 is: 20,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.66 : 9,866.18 = 9,866.18 : x
  2. Step 2: Convert to fraction form
    4,660.66/9,866.18 = 9,866.18/x
  3. Step 3: Cross multiply
    4,660.66x = 9,866.18 × 9,866.18
  4. Step 4: Simplify right side
    4,660.66x = 97,341,501.63
  5. Step 5: Solve for x
    x = 97,341,501.63/4,660.66
  6. Step 6: Final answer
    x = 20,885.76

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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.