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Finding the Third Proportional to 401,522 and 587,191

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Solution

The third proportional to 401,522 and 587,191 is: 858,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,522 : 587,191 = 587,191 : x
  2. Step 2: Convert to fraction form
    401,522/587,191 = 587,191/x
  3. Step 3: Cross multiply
    401,522x = 587,191 × 587,191
  4. Step 4: Simplify right side
    401,522x = 344,793,270,481
  5. Step 5: Solve for x
    x = 344,793,270,481/401,522
  6. Step 6: Final answer
    x = 858,715.76

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.