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Finding the Third Proportional to 803,876 and 1,279,617

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Solution

The third proportional to 803,876 and 1,279,617 is: 2,036,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,876 : 1,279,617 = 1,279,617 : x
  2. Step 2: Convert to fraction form
    803,876/1,279,617 = 1,279,617/x
  3. Step 3: Cross multiply
    803,876x = 1,279,617 × 1,279,617
  4. Step 4: Simplify right side
    803,876x = 1,637,419,666,689
  5. Step 5: Solve for x
    x = 1,637,419,666,689/803,876
  6. Step 6: Final answer
    x = 2,036,905.77

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.