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Finding the Third Proportional to 361,861 and 771,813

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Solution

The third proportional to 361,861 and 771,813 is: 1,646,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,861 : 771,813 = 771,813 : x
  2. Step 2: Convert to fraction form
    361,861/771,813 = 771,813/x
  3. Step 3: Cross multiply
    361,861x = 771,813 × 771,813
  4. Step 4: Simplify right side
    361,861x = 595,695,306,969
  5. Step 5: Solve for x
    x = 595,695,306,969/361,861
  6. Step 6: Final answer
    x = 1,646,199.25

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.