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Finding the Third Proportional to 15,991,743 and 34,536,840

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Solution

The third proportional to 15,991,743 and 34,536,840 is: 74,588,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991,743 : 34,536,840 = 34,536,840 : x
  2. Step 2: Convert to fraction form
    15,991,743/34,536,840 = 34,536,840/x
  3. Step 3: Cross multiply
    15,991,743x = 34,536,840 × 34,536,840
  4. Step 4: Simplify right side
    15,991,743x = 1,192,793,317,185,600
  5. Step 5: Solve for x
    x = 1,192,793,317,185,600/15,991,743
  6. Step 6: Final answer
    x = 74,588,074.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.