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Finding the Third Proportional to 20,538,848 and 28,713,126

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Solution

The third proportional to 20,538,848 and 28,713,126 is: 40,140,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,538,848 : 28,713,126 = 28,713,126 : x
  2. Step 2: Convert to fraction form
    20,538,848/28,713,126 = 28,713,126/x
  3. Step 3: Cross multiply
    20,538,848x = 28,713,126 × 28,713,126
  4. Step 4: Simplify right side
    20,538,848x = 824,443,604,691,876
  5. Step 5: Solve for x
    x = 824,443,604,691,876/20,538,848
  6. Step 6: Final answer
    x = 40,140,693.61

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.