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Finding the Third Proportional to 235,178 and 517,012

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Solution

The third proportional to 235,178 and 517,012 is: 1,136,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,178 : 517,012 = 517,012 : x
  2. Step 2: Convert to fraction form
    235,178/517,012 = 517,012/x
  3. Step 3: Cross multiply
    235,178x = 517,012 × 517,012
  4. Step 4: Simplify right side
    235,178x = 267,301,408,144
  5. Step 5: Solve for x
    x = 267,301,408,144/235,178
  6. Step 6: Final answer
    x = 1,136,591.89

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.