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Finding the Third Proportional to 91,015,429 and 200,582,702

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Solution

The third proportional to 91,015,429 and 200,582,702 is: 442,050,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,015,429 : 200,582,702 = 200,582,702 : x
  2. Step 2: Convert to fraction form
    91,015,429/200,582,702 = 200,582,702/x
  3. Step 3: Cross multiply
    91,015,429x = 200,582,702 × 200,582,702
  4. Step 4: Simplify right side
    91,015,429x = 40,233,420,341,620,800
  5. Step 5: Solve for x
    x = 40,233,420,341,620,800/91,015,429
  6. Step 6: Final answer
    x = 442,050,548.83

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.