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Finding the Third Proportional to 366,913 and 749,378

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Solution

The third proportional to 366,913 and 749,378 is: 1,530,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,913 : 749,378 = 749,378 : x
  2. Step 2: Convert to fraction form
    366,913/749,378 = 749,378/x
  3. Step 3: Cross multiply
    366,913x = 749,378 × 749,378
  4. Step 4: Simplify right side
    366,913x = 561,567,386,884
  5. Step 5: Solve for x
    x = 561,567,386,884/366,913
  6. Step 6: Final answer
    x = 1,530,519.19

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.