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Finding the Third Proportional to 344,708 and 720,648

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Solution

The third proportional to 344,708 and 720,648 is: 1,506,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,708 : 720,648 = 720,648 : x
  2. Step 2: Convert to fraction form
    344,708/720,648 = 720,648/x
  3. Step 3: Cross multiply
    344,708x = 720,648 × 720,648
  4. Step 4: Simplify right side
    344,708x = 519,333,539,904
  5. Step 5: Solve for x
    x = 519,333,539,904/344,708
  6. Step 6: Final answer
    x = 1,506,589.75

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.