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Finding the Third Proportional to 517,258,786.50 and 1,129,327,965

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Solution

The third proportional to 517,258,786.50 and 1,129,327,965 is: 2,465,654,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,258,786.50 : 1,129,327,965 = 1,129,327,965 : x
  2. Step 2: Convert to fraction form
    517,258,786.50/1,129,327,965 = 1,129,327,965/x
  3. Step 3: Cross multiply
    517,258,786.50x = 1,129,327,965 × 1,129,327,965
  4. Step 4: Simplify right side
    517,258,786.50x = 1,275,381,652,531,041,280
  5. Step 5: Solve for x
    x = 1,275,381,652,531,041,280/517,258,786.50
  6. Step 6: Final answer
    x = 2,465,654,882.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.