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Finding the Third Proportional to 4,281 and 8,862

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Solution

The third proportional to 4,281 and 8,862 is: 18,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281 : 8,862 = 8,862 : x
  2. Step 2: Convert to fraction form
    4,281/8,862 = 8,862/x
  3. Step 3: Cross multiply
    4,281x = 8,862 × 8,862
  4. Step 4: Simplify right side
    4,281x = 78,535,044
  5. Step 5: Solve for x
    x = 78,535,044/4,281
  6. Step 6: Final answer
    x = 18,345.02

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.