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Finding the Third Proportional to 688,370 and 1,476,379

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Solution

The third proportional to 688,370 and 1,476,379 is: 3,166,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,370 : 1,476,379 = 1,476,379 : x
  2. Step 2: Convert to fraction form
    688,370/1,476,379 = 1,476,379/x
  3. Step 3: Cross multiply
    688,370x = 1,476,379 × 1,476,379
  4. Step 4: Simplify right side
    688,370x = 2,179,694,951,641
  5. Step 5: Solve for x
    x = 2,179,694,951,641/688,370
  6. Step 6: Final answer
    x = 3,166,458.38

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.