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Finding the Third Proportional to 279,245,332 and 449,938,620

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Solution

The third proportional to 279,245,332 and 449,938,620 is: 724,970,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,245,332 : 449,938,620 = 449,938,620 : x
  2. Step 2: Convert to fraction form
    279,245,332/449,938,620 = 449,938,620/x
  3. Step 3: Cross multiply
    279,245,332x = 449,938,620 × 449,938,620
  4. Step 4: Simplify right side
    279,245,332x = 202,444,761,767,504,384
  5. Step 5: Solve for x
    x = 202,444,761,767,504,384/279,245,332
  6. Step 6: Final answer
    x = 724,970,979.17

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.