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Finding the Third Proportional to 741,663 and 1,615,518

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Solution

The third proportional to 741,663 and 1,615,518 is: 3,518,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,663 : 1,615,518 = 1,615,518 : x
  2. Step 2: Convert to fraction form
    741,663/1,615,518 = 1,615,518/x
  3. Step 3: Cross multiply
    741,663x = 1,615,518 × 1,615,518
  4. Step 4: Simplify right side
    741,663x = 2,609,898,408,324
  5. Step 5: Solve for x
    x = 2,609,898,408,324/741,663
  6. Step 6: Final answer
    x = 3,518,981.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.