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Finding the Third Proportional to 64,907 and 98,579

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Solution

The third proportional to 64,907 and 98,579 is: 149,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,907 : 98,579 = 98,579 : x
  2. Step 2: Convert to fraction form
    64,907/98,579 = 98,579/x
  3. Step 3: Cross multiply
    64,907x = 98,579 × 98,579
  4. Step 4: Simplify right side
    64,907x = 9,717,819,241
  5. Step 5: Solve for x
    x = 9,717,819,241/64,907
  6. Step 6: Final answer
    x = 149,719.12

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.