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Finding the Third Proportional to 9,132.75 and 18,616.50

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Solution

The third proportional to 9,132.75 and 18,616.50 is: 37,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.75 : 18,616.50 = 18,616.50 : x
  2. Step 2: Convert to fraction form
    9,132.75/18,616.50 = 18,616.50/x
  3. Step 3: Cross multiply
    9,132.75x = 18,616.50 × 18,616.50
  4. Step 4: Simplify right side
    9,132.75x = 346,574,072.25
  5. Step 5: Solve for x
    x = 346,574,072.25/9,132.75
  6. Step 6: Final answer
    x = 37,948.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.