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Finding the Third Proportional to 8,611,416 and 13,333,869

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Solution

The third proportional to 8,611,416 and 13,333,869 is: 20,646,089.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,416 : 13,333,869 = 13,333,869 : x
  2. Step 2: Convert to fraction form
    8,611,416/13,333,869 = 13,333,869/x
  3. Step 3: Cross multiply
    8,611,416x = 13,333,869 × 13,333,869
  4. Step 4: Simplify right side
    8,611,416x = 177,792,062,509,161
  5. Step 5: Solve for x
    x = 177,792,062,509,161/8,611,416
  6. Step 6: Final answer
    x = 20,646,089.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.