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Finding the Third Proportional to 15,756,729 and 34,274,181

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Solution

The third proportional to 15,756,729 and 34,274,181 is: 74,553,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,729 : 34,274,181 = 34,274,181 : x
  2. Step 2: Convert to fraction form
    15,756,729/34,274,181 = 34,274,181/x
  3. Step 3: Cross multiply
    15,756,729x = 34,274,181 × 34,274,181
  4. Step 4: Simplify right side
    15,756,729x = 1,174,719,483,220,761
  5. Step 5: Solve for x
    x = 1,174,719,483,220,761/15,756,729
  6. Step 6: Final answer
    x = 74,553,511.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.