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Finding the Third Proportional to 984,332 and 2,139,416

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Solution

The third proportional to 984,332 and 2,139,416 is: 4,649,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,332 : 2,139,416 = 2,139,416 : x
  2. Step 2: Convert to fraction form
    984,332/2,139,416 = 2,139,416/x
  3. Step 3: Cross multiply
    984,332x = 2,139,416 × 2,139,416
  4. Step 4: Simplify right side
    984,332x = 4,577,100,821,056
  5. Step 5: Solve for x
    x = 4,577,100,821,056/984,332
  6. Step 6: Final answer
    x = 4,649,956.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.