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Finding the Third Proportional to 85,955,990 and 185,524,282

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Solution

The third proportional to 85,955,990 and 185,524,282 is: 400,428,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,955,990 : 185,524,282 = 185,524,282 : x
  2. Step 2: Convert to fraction form
    85,955,990/185,524,282 = 185,524,282/x
  3. Step 3: Cross multiply
    85,955,990x = 185,524,282 × 185,524,282
  4. Step 4: Simplify right side
    85,955,990x = 34,419,259,211,615,524
  5. Step 5: Solve for x
    x = 34,419,259,211,615,524/85,955,990
  6. Step 6: Final answer
    x = 400,428,861.46

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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.