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Finding the Third Proportional to 6,396,447 and 13,855,776

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Solution

The third proportional to 6,396,447 and 13,855,776 is: 30,013,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396,447 : 13,855,776 = 13,855,776 : x
  2. Step 2: Convert to fraction form
    6,396,447/13,855,776 = 13,855,776/x
  3. Step 3: Cross multiply
    6,396,447x = 13,855,776 × 13,855,776
  4. Step 4: Simplify right side
    6,396,447x = 191,982,528,562,176
  5. Step 5: Solve for x
    x = 191,982,528,562,176/6,396,447
  6. Step 6: Final answer
    x = 30,013,932.51

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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.