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Finding the Third Proportional to 98,482 and 143,418

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Solution

The third proportional to 98,482 and 143,418 is: 208,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,482 : 143,418 = 143,418 : x
  2. Step 2: Convert to fraction form
    98,482/143,418 = 143,418/x
  3. Step 3: Cross multiply
    98,482x = 143,418 × 143,418
  4. Step 4: Simplify right side
    98,482x = 20,568,722,724
  5. Step 5: Solve for x
    x = 20,568,722,724/98,482
  6. Step 6: Final answer
    x = 208,857.69

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.