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Finding the Third Proportional to 902,749 and 1,402,329

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Solution

The third proportional to 902,749 and 1,402,329 is: 2,178,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,749 : 1,402,329 = 1,402,329 : x
  2. Step 2: Convert to fraction form
    902,749/1,402,329 = 1,402,329/x
  3. Step 3: Cross multiply
    902,749x = 1,402,329 × 1,402,329
  4. Step 4: Simplify right side
    902,749x = 1,966,526,624,241
  5. Step 5: Solve for x
    x = 1,966,526,624,241/902,749
  6. Step 6: Final answer
    x = 2,178,375.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.