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Finding the Third Proportional to 298,343.25 and 648,627.75

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Solution

The third proportional to 298,343.25 and 648,627.75 is: 1,410,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,343.25 : 648,627.75 = 648,627.75 : x
  2. Step 2: Convert to fraction form
    298,343.25/648,627.75 = 648,627.75/x
  3. Step 3: Cross multiply
    298,343.25x = 648,627.75 × 648,627.75
  4. Step 4: Simplify right side
    298,343.25x = 420,717,958,070.06
  5. Step 5: Solve for x
    x = 420,717,958,070.06/298,343.25
  6. Step 6: Final answer
    x = 1,410,180.92

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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.