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Finding the Third Proportional to 663,387 and 1,450,983

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Solution

The third proportional to 663,387 and 1,450,983 is: 3,173,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,387 : 1,450,983 = 1,450,983 : x
  2. Step 2: Convert to fraction form
    663,387/1,450,983 = 1,450,983/x
  3. Step 3: Cross multiply
    663,387x = 1,450,983 × 1,450,983
  4. Step 4: Simplify right side
    663,387x = 2,105,351,666,289
  5. Step 5: Solve for x
    x = 2,105,351,666,289/663,387
  6. Step 6: Final answer
    x = 3,173,640.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.