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Finding the Third Proportional to 438,669 and 961,119

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Solution

The third proportional to 438,669 and 961,119 is: 2,105,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,669 : 961,119 = 961,119 : x
  2. Step 2: Convert to fraction form
    438,669/961,119 = 961,119/x
  3. Step 3: Cross multiply
    438,669x = 961,119 × 961,119
  4. Step 4: Simplify right side
    438,669x = 923,749,732,161
  5. Step 5: Solve for x
    x = 923,749,732,161/438,669
  6. Step 6: Final answer
    x = 2,105,801.26

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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.