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Finding the Third Proportional to 10,242,380 and 15,858,228

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Solution

The third proportional to 10,242,380 and 15,858,228 is: 24,553,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242,380 : 15,858,228 = 15,858,228 : x
  2. Step 2: Convert to fraction form
    10,242,380/15,858,228 = 15,858,228/x
  3. Step 3: Cross multiply
    10,242,380x = 15,858,228 × 15,858,228
  4. Step 4: Simplify right side
    10,242,380x = 251,483,395,299,984
  5. Step 5: Solve for x
    x = 251,483,395,299,984/10,242,380
  6. Step 6: Final answer
    x = 24,553,218.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.