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Finding the Third Proportional to 75,770,366 and 163,665,538

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Solution

The third proportional to 75,770,366 and 163,665,538 is: 353,520,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,770,366 : 163,665,538 = 163,665,538 : x
  2. Step 2: Convert to fraction form
    75,770,366/163,665,538 = 163,665,538/x
  3. Step 3: Cross multiply
    75,770,366x = 163,665,538 × 163,665,538
  4. Step 4: Simplify right side
    75,770,366x = 26,786,408,328,829,444
  5. Step 5: Solve for x
    x = 26,786,408,328,829,444/75,770,366
  6. Step 6: Final answer
    x = 353,520,904.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.