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Finding the Third Proportional to 333,778 and 517,159

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Solution

The third proportional to 333,778 and 517,159 is: 801,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,778 : 517,159 = 517,159 : x
  2. Step 2: Convert to fraction form
    333,778/517,159 = 517,159/x
  3. Step 3: Cross multiply
    333,778x = 517,159 × 517,159
  4. Step 4: Simplify right side
    333,778x = 267,453,431,281
  5. Step 5: Solve for x
    x = 267,453,431,281/333,778
  6. Step 6: Final answer
    x = 801,291.37

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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.