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Finding the Third Proportional to 668,762 and 1,444,122

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Solution

The third proportional to 668,762 and 1,444,122 is: 3,118,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,762 : 1,444,122 = 1,444,122 : x
  2. Step 2: Convert to fraction form
    668,762/1,444,122 = 1,444,122/x
  3. Step 3: Cross multiply
    668,762x = 1,444,122 × 1,444,122
  4. Step 4: Simplify right side
    668,762x = 2,085,488,350,884
  5. Step 5: Solve for x
    x = 2,085,488,350,884/668,762
  6. Step 6: Final answer
    x = 3,118,431.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.