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Finding the Third Proportional to 15,682,420 and 33,767,696

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Solution

The third proportional to 15,682,420 and 33,767,696 is: 72,709,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,682,420 : 33,767,696 = 33,767,696 : x
  2. Step 2: Convert to fraction form
    15,682,420/33,767,696 = 33,767,696/x
  3. Step 3: Cross multiply
    15,682,420x = 33,767,696 × 33,767,696
  4. Step 4: Simplify right side
    15,682,420x = 1,140,257,293,148,416
  5. Step 5: Solve for x
    x = 1,140,257,293,148,416/15,682,420
  6. Step 6: Final answer
    x = 72,709,268.92

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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.