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Finding the Third Proportional to 345,456 and 749,925

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Solution

The third proportional to 345,456 and 749,925 is: 1,627,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,456 : 749,925 = 749,925 : x
  2. Step 2: Convert to fraction form
    345,456/749,925 = 749,925/x
  3. Step 3: Cross multiply
    345,456x = 749,925 × 749,925
  4. Step 4: Simplify right side
    345,456x = 562,387,505,625
  5. Step 5: Solve for x
    x = 562,387,505,625/345,456
  6. Step 6: Final answer
    x = 1,627,956.98

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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.