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Finding the Third Proportional to 636,039 and 1,382,487.75

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Solution

The third proportional to 636,039 and 1,382,487.75 is: 3,004,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,039 : 1,382,487.75 = 1,382,487.75 : x
  2. Step 2: Convert to fraction form
    636,039/1,382,487.75 = 1,382,487.75/x
  3. Step 3: Cross multiply
    636,039x = 1,382,487.75 × 1,382,487.75
  4. Step 4: Simplify right side
    636,039x = 1,911,272,378,900.06
  5. Step 5: Solve for x
    x = 1,911,272,378,900.06/636,039
  6. Step 6: Final answer
    x = 3,004,960.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.