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Finding the Third Proportional to 488,272 and 731,926

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Solution

The third proportional to 488,272 and 731,926 is: 1,097,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,272 : 731,926 = 731,926 : x
  2. Step 2: Convert to fraction form
    488,272/731,926 = 731,926/x
  3. Step 3: Cross multiply
    488,272x = 731,926 × 731,926
  4. Step 4: Simplify right side
    488,272x = 535,715,669,476
  5. Step 5: Solve for x
    x = 535,715,669,476/488,272
  6. Step 6: Final answer
    x = 1,097,166.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.