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Finding the Third Proportional to 7,908,940 and 12,325,806

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Solution

The third proportional to 7,908,940 and 12,325,806 is: 19,209,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908,940 : 12,325,806 = 12,325,806 : x
  2. Step 2: Convert to fraction form
    7,908,940/12,325,806 = 12,325,806/x
  3. Step 3: Cross multiply
    7,908,940x = 12,325,806 × 12,325,806
  4. Step 4: Simplify right side
    7,908,940x = 151,925,493,549,636
  5. Step 5: Solve for x
    x = 151,925,493,549,636/7,908,940
  6. Step 6: Final answer
    x = 19,209,336.97

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.