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Finding the Third Proportional to 366,913 and 767,117

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Solution

The third proportional to 366,913 and 767,117 is: 1,603,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,913 : 767,117 = 767,117 : x
  2. Step 2: Convert to fraction form
    366,913/767,117 = 767,117/x
  3. Step 3: Cross multiply
    366,913x = 767,117 × 767,117
  4. Step 4: Simplify right side
    366,913x = 588,468,491,689
  5. Step 5: Solve for x
    x = 588,468,491,689/366,913
  6. Step 6: Final answer
    x = 1,603,836.58

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.