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Finding the Third Proportional to 10,649,247 and 15,228,549

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Solution

The third proportional to 10,649,247 and 15,228,549 is: 21,777,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,247 : 15,228,549 = 15,228,549 : x
  2. Step 2: Convert to fraction form
    10,649,247/15,228,549 = 15,228,549/x
  3. Step 3: Cross multiply
    10,649,247x = 15,228,549 × 15,228,549
  4. Step 4: Simplify right side
    10,649,247x = 231,908,704,645,401
  5. Step 5: Solve for x
    x = 231,908,704,645,401/10,649,247
  6. Step 6: Final answer
    x = 21,777,004.95

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.