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Finding the Third Proportional to 630,859 and 1,387,883

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Solution

The third proportional to 630,859 and 1,387,883 is: 3,053,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,859 : 1,387,883 = 1,387,883 : x
  2. Step 2: Convert to fraction form
    630,859/1,387,883 = 1,387,883/x
  3. Step 3: Cross multiply
    630,859x = 1,387,883 × 1,387,883
  4. Step 4: Simplify right side
    630,859x = 1,926,219,221,689
  5. Step 5: Solve for x
    x = 1,926,219,221,689/630,859
  6. Step 6: Final answer
    x = 3,053,327.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.