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Finding the Third Proportional to 43,918 and 97,660

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Solution

The third proportional to 43,918 and 97,660 is: 217,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,918 : 97,660 = 97,660 : x
  2. Step 2: Convert to fraction form
    43,918/97,660 = 97,660/x
  3. Step 3: Cross multiply
    43,918x = 97,660 × 97,660
  4. Step 4: Simplify right side
    43,918x = 9,537,475,600
  5. Step 5: Solve for x
    x = 9,537,475,600/43,918
  6. Step 6: Final answer
    x = 217,165.53

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.