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Finding the Third Proportional to 7,489,436 and 16,132,512

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Solution

The third proportional to 7,489,436 and 16,132,512 is: 34,750,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489,436 : 16,132,512 = 16,132,512 : x
  2. Step 2: Convert to fraction form
    7,489,436/16,132,512 = 16,132,512/x
  3. Step 3: Cross multiply
    7,489,436x = 16,132,512 × 16,132,512
  4. Step 4: Simplify right side
    7,489,436x = 260,257,943,430,144
  5. Step 5: Solve for x
    x = 260,257,943,430,144/7,489,436
  6. Step 6: Final answer
    x = 34,750,005.67

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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.