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Finding the Third Proportional to 8,730,108 and 13,215,888

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Solution

The third proportional to 8,730,108 and 13,215,888 is: 20,006,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730,108 : 13,215,888 = 13,215,888 : x
  2. Step 2: Convert to fraction form
    8,730,108/13,215,888 = 13,215,888/x
  3. Step 3: Cross multiply
    8,730,108x = 13,215,888 × 13,215,888
  4. Step 4: Simplify right side
    8,730,108x = 174,659,695,628,544
  5. Step 5: Solve for x
    x = 174,659,695,628,544/8,730,108
  6. Step 6: Final answer
    x = 20,006,590.48

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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.