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Finding the Third Proportional to 43,640 and 93,544

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Solution

The third proportional to 43,640 and 93,544 is: 200,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,640 : 93,544 = 93,544 : x
  2. Step 2: Convert to fraction form
    43,640/93,544 = 93,544/x
  3. Step 3: Cross multiply
    43,640x = 93,544 × 93,544
  4. Step 4: Simplify right side
    43,640x = 8,750,479,936
  5. Step 5: Solve for x
    x = 8,750,479,936/43,640
  6. Step 6: Final answer
    x = 200,515.12

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.