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Finding the Third Proportional to 75,015 and 162,909.75

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Solution

The third proportional to 75,015 and 162,909.75 is: 353,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,015 : 162,909.75 = 162,909.75 : x
  2. Step 2: Convert to fraction form
    75,015/162,909.75 = 162,909.75/x
  3. Step 3: Cross multiply
    75,015x = 162,909.75 × 162,909.75
  4. Step 4: Simplify right side
    75,015x = 26,539,586,645.06
  5. Step 5: Solve for x
    x = 26,539,586,645.06/75,015
  6. Step 6: Final answer
    x = 353,790.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.