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Finding the Third Proportional to 738,672 and 1,587,678

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Solution

The third proportional to 738,672 and 1,587,678 is: 3,412,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,672 : 1,587,678 = 1,587,678 : x
  2. Step 2: Convert to fraction form
    738,672/1,587,678 = 1,587,678/x
  3. Step 3: Cross multiply
    738,672x = 1,587,678 × 1,587,678
  4. Step 4: Simplify right side
    738,672x = 2,520,721,431,684
  5. Step 5: Solve for x
    x = 2,520,721,431,684/738,672
  6. Step 6: Final answer
    x = 3,412,504.37

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.