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Finding the Third Proportional to 443,374 and 918,279

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Solution

The third proportional to 443,374 and 918,279 is: 1,901,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,374 : 918,279 = 918,279 : x
  2. Step 2: Convert to fraction form
    443,374/918,279 = 918,279/x
  3. Step 3: Cross multiply
    443,374x = 918,279 × 918,279
  4. Step 4: Simplify right side
    443,374x = 843,236,321,841
  5. Step 5: Solve for x
    x = 843,236,321,841/443,374
  6. Step 6: Final answer
    x = 1,901,862.36

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.