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Finding the Third Proportional to 7,980,122 and 12,053,991

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Solution

The third proportional to 7,980,122 and 12,053,991 is: 18,207,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,122 : 12,053,991 = 12,053,991 : x
  2. Step 2: Convert to fraction form
    7,980,122/12,053,991 = 12,053,991/x
  3. Step 3: Cross multiply
    7,980,122x = 12,053,991 × 12,053,991
  4. Step 4: Simplify right side
    7,980,122x = 145,298,699,028,081
  5. Step 5: Solve for x
    x = 145,298,699,028,081/7,980,122
  6. Step 6: Final answer
    x = 18,207,578.66

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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.