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Finding the Third Proportional to 3,156,844 and 6,818,128

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Solution

The third proportional to 3,156,844 and 6,818,128 is: 14,725,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,844 : 6,818,128 = 6,818,128 : x
  2. Step 2: Convert to fraction form
    3,156,844/6,818,128 = 6,818,128/x
  3. Step 3: Cross multiply
    3,156,844x = 6,818,128 × 6,818,128
  4. Step 4: Simplify right side
    3,156,844x = 46,486,869,424,384
  5. Step 5: Solve for x
    x = 46,486,869,424,384/3,156,844
  6. Step 6: Final answer
    x = 14,725,741.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.