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Finding the Third Proportional to 367,756 and 571,790

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Solution

The third proportional to 367,756 and 571,790 is: 889,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,756 : 571,790 = 571,790 : x
  2. Step 2: Convert to fraction form
    367,756/571,790 = 571,790/x
  3. Step 3: Cross multiply
    367,756x = 571,790 × 571,790
  4. Step 4: Simplify right side
    367,756x = 326,943,804,100
  5. Step 5: Solve for x
    x = 326,943,804,100/367,756
  6. Step 6: Final answer
    x = 889,023.71

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.