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Finding the Third Proportional to 9,813.66 and 14,681.25

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Solution

The third proportional to 9,813.66 and 14,681.25 is: 21,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.66 : 14,681.25 = 14,681.25 : x
  2. Step 2: Convert to fraction form
    9,813.66/14,681.25 = 14,681.25/x
  3. Step 3: Cross multiply
    9,813.66x = 14,681.25 × 14,681.25
  4. Step 4: Simplify right side
    9,813.66x = 215,539,101.56
  5. Step 5: Solve for x
    x = 215,539,101.56/9,813.66
  6. Step 6: Final answer
    x = 21,963.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.