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Finding the Third Proportional to 630,865.50 and 1,387,893

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Solution

The third proportional to 630,865.50 and 1,387,893 is: 3,053,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,865.50 : 1,387,893 = 1,387,893 : x
  2. Step 2: Convert to fraction form
    630,865.50/1,387,893 = 1,387,893/x
  3. Step 3: Cross multiply
    630,865.50x = 1,387,893 × 1,387,893
  4. Step 4: Simplify right side
    630,865.50x = 1,926,246,979,449
  5. Step 5: Solve for x
    x = 1,926,246,979,449/630,865.50
  6. Step 6: Final answer
    x = 3,053,340.18

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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.