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Finding the Third Proportional to 3,318,370 and 5,276,415

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Solution

The third proportional to 3,318,370 and 5,276,415 is: 8,389,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,370 : 5,276,415 = 5,276,415 : x
  2. Step 2: Convert to fraction form
    3,318,370/5,276,415 = 5,276,415/x
  3. Step 3: Cross multiply
    3,318,370x = 5,276,415 × 5,276,415
  4. Step 4: Simplify right side
    3,318,370x = 27,840,555,252,225
  5. Step 5: Solve for x
    x = 27,840,555,252,225/3,318,370
  6. Step 6: Final answer
    x = 8,389,828.52

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.