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Finding the Third Proportional to 64,919.25 and 97,119.75

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Solution

The third proportional to 64,919.25 and 97,119.75 is: 145,291.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,919.25 : 97,119.75 = 97,119.75 : x
  2. Step 2: Convert to fraction form
    64,919.25/97,119.75 = 97,119.75/x
  3. Step 3: Cross multiply
    64,919.25x = 97,119.75 × 97,119.75
  4. Step 4: Simplify right side
    64,919.25x = 9,432,245,840.06
  5. Step 5: Solve for x
    x = 9,432,245,840.06/64,919.25
  6. Step 6: Final answer
    x = 145,291.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.