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Finding the Third Proportional to 1,688,919 and 2,614,161

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Solution

The third proportional to 1,688,919 and 2,614,161 is: 4,046,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,919 : 2,614,161 = 2,614,161 : x
  2. Step 2: Convert to fraction form
    1,688,919/2,614,161 = 2,614,161/x
  3. Step 3: Cross multiply
    1,688,919x = 2,614,161 × 2,614,161
  4. Step 4: Simplify right side
    1,688,919x = 6,833,837,733,921
  5. Step 5: Solve for x
    x = 6,833,837,733,921/1,688,919
  6. Step 6: Final answer
    x = 4,046,279.15

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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.