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Finding the Third Proportional to 12,493,245 and 18,897,330

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Solution

The third proportional to 12,493,245 and 18,897,330 is: 28,584,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493,245 : 18,897,330 = 18,897,330 : x
  2. Step 2: Convert to fraction form
    12,493,245/18,897,330 = 18,897,330/x
  3. Step 3: Cross multiply
    12,493,245x = 18,897,330 × 18,897,330
  4. Step 4: Simplify right side
    12,493,245x = 357,109,081,128,900
  5. Step 5: Solve for x
    x = 357,109,081,128,900/12,493,245
  6. Step 6: Final answer
    x = 28,584,173.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.