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Finding the Third Proportional to 89,488 and 135,360

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Solution

The third proportional to 89,488 and 135,360 is: 204,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,488 : 135,360 = 135,360 : x
  2. Step 2: Convert to fraction form
    89,488/135,360 = 135,360/x
  3. Step 3: Cross multiply
    89,488x = 135,360 × 135,360
  4. Step 4: Simplify right side
    89,488x = 18,322,329,600
  5. Step 5: Solve for x
    x = 18,322,329,600/89,488
  6. Step 6: Final answer
    x = 204,746.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.