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Finding the Third Proportional to 3,842,806 and 8,255,447

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Solution

The third proportional to 3,842,806 and 8,255,447 is: 17,735,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,806 : 8,255,447 = 8,255,447 : x
  2. Step 2: Convert to fraction form
    3,842,806/8,255,447 = 8,255,447/x
  3. Step 3: Cross multiply
    3,842,806x = 8,255,447 × 8,255,447
  4. Step 4: Simplify right side
    3,842,806x = 68,152,405,169,809
  5. Step 5: Solve for x
    x = 68,152,405,169,809/3,842,806
  6. Step 6: Final answer
    x = 17,735,062.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.