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Finding the Third Proportional to 87,246,993 and 189,034,560

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Solution

The third proportional to 87,246,993 and 189,034,560 is: 409,573,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,246,993 : 189,034,560 = 189,034,560 : x
  2. Step 2: Convert to fraction form
    87,246,993/189,034,560 = 189,034,560/x
  3. Step 3: Cross multiply
    87,246,993x = 189,034,560 × 189,034,560
  4. Step 4: Simplify right side
    87,246,993x = 35,734,064,874,393,600
  5. Step 5: Solve for x
    x = 35,734,064,874,393,600/87,246,993
  6. Step 6: Final answer
    x = 409,573,598.42

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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.