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Finding the Third Proportional to 358,818 and 754,812

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Solution

The third proportional to 358,818 and 754,812 is: 1,587,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,818 : 754,812 = 754,812 : x
  2. Step 2: Convert to fraction form
    358,818/754,812 = 754,812/x
  3. Step 3: Cross multiply
    358,818x = 754,812 × 754,812
  4. Step 4: Simplify right side
    358,818x = 569,741,155,344
  5. Step 5: Solve for x
    x = 569,741,155,344/358,818
  6. Step 6: Final answer
    x = 1,587,827.69

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.