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Finding the Third Proportional to 406,456 and 571,873

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Solution

The third proportional to 406,456 and 571,873 is: 804,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,456 : 571,873 = 571,873 : x
  2. Step 2: Convert to fraction form
    406,456/571,873 = 571,873/x
  3. Step 3: Cross multiply
    406,456x = 571,873 × 571,873
  4. Step 4: Simplify right side
    406,456x = 327,038,728,129
  5. Step 5: Solve for x
    x = 327,038,728,129/406,456
  6. Step 6: Final answer
    x = 804,610.41

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.