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Finding the Third Proportional to 87,246,989 and 189,034,552

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Solution

The third proportional to 87,246,989 and 189,034,552 is: 409,573,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,246,989 : 189,034,552 = 189,034,552 : x
  2. Step 2: Convert to fraction form
    87,246,989/189,034,552 = 189,034,552/x
  3. Step 3: Cross multiply
    87,246,989x = 189,034,552 × 189,034,552
  4. Step 4: Simplify right side
    87,246,989x = 35,734,061,849,840,704
  5. Step 5: Solve for x
    x = 35,734,061,849,840,704/87,246,989
  6. Step 6: Final answer
    x = 409,573,582.53

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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.