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Finding the Third Proportional to 112,408,217 and 168,612,315

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Solution

The third proportional to 112,408,217 and 168,612,315 is: 252,918,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,408,217 : 168,612,315 = 168,612,315 : x
  2. Step 2: Convert to fraction form
    112,408,217/168,612,315 = 168,612,315/x
  3. Step 3: Cross multiply
    112,408,217x = 168,612,315 × 168,612,315
  4. Step 4: Simplify right side
    112,408,217x = 28,430,112,769,659,224
  5. Step 5: Solve for x
    x = 28,430,112,769,659,224/112,408,217
  6. Step 6: Final answer
    x = 252,918,456.75

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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.