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Finding the Third Proportional to 761,934 and 1,139,163

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Solution

The third proportional to 761,934 and 1,139,163 is: 1,703,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,934 : 1,139,163 = 1,139,163 : x
  2. Step 2: Convert to fraction form
    761,934/1,139,163 = 1,139,163/x
  3. Step 3: Cross multiply
    761,934x = 1,139,163 × 1,139,163
  4. Step 4: Simplify right side
    761,934x = 1,297,692,340,569
  5. Step 5: Solve for x
    x = 1,297,692,340,569/761,934
  6. Step 6: Final answer
    x = 1,703,155.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.