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Finding the Third Proportional to 9,159.75 and 12,630.75

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Solution

The third proportional to 9,159.75 and 12,630.75 is: 17,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.75 : 12,630.75 = 12,630.75 : x
  2. Step 2: Convert to fraction form
    9,159.75/12,630.75 = 12,630.75/x
  3. Step 3: Cross multiply
    9,159.75x = 12,630.75 × 12,630.75
  4. Step 4: Simplify right side
    9,159.75x = 159,535,845.56
  5. Step 5: Solve for x
    x = 159,535,845.56/9,159.75
  6. Step 6: Final answer
    x = 17,417.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.