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Finding the Third Proportional to 8,886.66 and 13,862.53

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Solution

The third proportional to 8,886.66 and 13,862.53 is: 21,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.66 : 13,862.53 = 13,862.53 : x
  2. Step 2: Convert to fraction form
    8,886.66/13,862.53 = 13,862.53/x
  3. Step 3: Cross multiply
    8,886.66x = 13,862.53 × 13,862.53
  4. Step 4: Simplify right side
    8,886.66x = 192,169,772.66
  5. Step 5: Solve for x
    x = 192,169,772.66/8,886.66
  6. Step 6: Final answer
    x = 21,624.53

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.