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Finding the Third Proportional to 61,945 and 98,442

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Solution

The third proportional to 61,945 and 98,442 is: 156,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,945 : 98,442 = 98,442 : x
  2. Step 2: Convert to fraction form
    61,945/98,442 = 98,442/x
  3. Step 3: Cross multiply
    61,945x = 98,442 × 98,442
  4. Step 4: Simplify right side
    61,945x = 9,690,827,364
  5. Step 5: Solve for x
    x = 9,690,827,364/61,945
  6. Step 6: Final answer
    x = 156,442.45

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.