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Finding the Third Proportional to 180,897 and 391,926

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Solution

The third proportional to 180,897 and 391,926 is: 849,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,897 : 391,926 = 391,926 : x
  2. Step 2: Convert to fraction form
    180,897/391,926 = 391,926/x
  3. Step 3: Cross multiply
    180,897x = 391,926 × 391,926
  4. Step 4: Simplify right side
    180,897x = 153,605,989,476
  5. Step 5: Solve for x
    x = 153,605,989,476/180,897
  6. Step 6: Final answer
    x = 849,135.09

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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.