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Finding the Third Proportional to 15,624,722 and 34,228,516

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Solution

The third proportional to 15,624,722 and 34,228,516 is: 74,983,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624,722 : 34,228,516 = 34,228,516 : x
  2. Step 2: Convert to fraction form
    15,624,722/34,228,516 = 34,228,516/x
  3. Step 3: Cross multiply
    15,624,722x = 34,228,516 × 34,228,516
  4. Step 4: Simplify right side
    15,624,722x = 1,171,591,307,562,256
  5. Step 5: Solve for x
    x = 1,171,591,307,562,256/15,624,722
  6. Step 6: Final answer
    x = 74,983,177.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.