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Finding the Third Proportional to 3,328,931.75 and 7,163,470

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Solution

The third proportional to 3,328,931.75 and 7,163,470 is: 15,414,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328,931.75 : 7,163,470 = 7,163,470 : x
  2. Step 2: Convert to fraction form
    3,328,931.75/7,163,470 = 7,163,470/x
  3. Step 3: Cross multiply
    3,328,931.75x = 7,163,470 × 7,163,470
  4. Step 4: Simplify right side
    3,328,931.75x = 51,315,302,440,900
  5. Step 5: Solve for x
    x = 51,315,302,440,900/3,328,931.75
  6. Step 6: Final answer
    x = 15,414,945.78

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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.