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Finding the Third Proportional to 8,730,007.88 and 13,215,786.61

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Solution

The third proportional to 8,730,007.88 and 13,215,786.61 is: 20,006,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730,007.88 : 13,215,786.61 = 13,215,786.61 : x
  2. Step 2: Convert to fraction form
    8,730,007.88/13,215,786.61 = 13,215,786.61/x
  3. Step 3: Cross multiply
    8,730,007.88x = 13,215,786.61 × 13,215,786.61
  4. Step 4: Simplify right side
    8,730,007.88x = 174,657,015,704,535.56
  5. Step 5: Solve for x
    x = 174,657,015,704,535.56/8,730,007.88
  6. Step 6: Final answer
    x = 20,006,512.96

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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.