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Finding the Third Proportional to 445,087 and 845,339

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Solution

The third proportional to 445,087 and 845,339 is: 1,605,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,087 : 845,339 = 845,339 : x
  2. Step 2: Convert to fraction form
    445,087/845,339 = 845,339/x
  3. Step 3: Cross multiply
    445,087x = 845,339 × 845,339
  4. Step 4: Simplify right side
    445,087x = 714,598,024,921
  5. Step 5: Solve for x
    x = 714,598,024,921/445,087
  6. Step 6: Final answer
    x = 1,605,524.37

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.