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Finding the Third Proportional to 63,170 and 98,445

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Solution

The third proportional to 63,170 and 98,445 is: 153,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,170 : 98,445 = 98,445 : x
  2. Step 2: Convert to fraction form
    63,170/98,445 = 98,445/x
  3. Step 3: Cross multiply
    63,170x = 98,445 × 98,445
  4. Step 4: Simplify right side
    63,170x = 9,691,418,025
  5. Step 5: Solve for x
    x = 9,691,418,025/63,170
  6. Step 6: Final answer
    x = 153,418.05

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.