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Finding the Third Proportional to 517,464 and 1,131,115

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Solution

The third proportional to 517,464 and 1,131,115 is: 2,472,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,464 : 1,131,115 = 1,131,115 : x
  2. Step 2: Convert to fraction form
    517,464/1,131,115 = 1,131,115/x
  3. Step 3: Cross multiply
    517,464x = 1,131,115 × 1,131,115
  4. Step 4: Simplify right side
    517,464x = 1,279,421,143,225
  5. Step 5: Solve for x
    x = 1,279,421,143,225/517,464
  6. Step 6: Final answer
    x = 2,472,483.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.