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Finding the Third Proportional to 13,811,384 and 20,908,788

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Solution

The third proportional to 13,811,384 and 20,908,788 is: 31,653,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,384 : 20,908,788 = 20,908,788 : x
  2. Step 2: Convert to fraction form
    13,811,384/20,908,788 = 20,908,788/x
  3. Step 3: Cross multiply
    13,811,384x = 20,908,788 × 20,908,788
  4. Step 4: Simplify right side
    13,811,384x = 437,177,415,628,944
  5. Step 5: Solve for x
    x = 437,177,415,628,944/13,811,384
  6. Step 6: Final answer
    x = 31,653,411.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.