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Finding the Third Proportional to 7,961,656 and 12,008,458

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Solution

The third proportional to 7,961,656 and 12,008,458 is: 18,112,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961,656 : 12,008,458 = 12,008,458 : x
  2. Step 2: Convert to fraction form
    7,961,656/12,008,458 = 12,008,458/x
  3. Step 3: Cross multiply
    7,961,656x = 12,008,458 × 12,008,458
  4. Step 4: Simplify right side
    7,961,656x = 144,203,063,537,764
  5. Step 5: Solve for x
    x = 144,203,063,537,764/7,961,656
  6. Step 6: Final answer
    x = 18,112,194.69

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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.