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Finding the Third Proportional to 379,189 and 571,188

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Solution

The third proportional to 379,189 and 571,188 is: 860,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,189 : 571,188 = 571,188 : x
  2. Step 2: Convert to fraction form
    379,189/571,188 = 571,188/x
  3. Step 3: Cross multiply
    379,189x = 571,188 × 571,188
  4. Step 4: Simplify right side
    379,189x = 326,255,731,344
  5. Step 5: Solve for x
    x = 326,255,731,344/379,189
  6. Step 6: Final answer
    x = 860,404.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.