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Finding the Third Proportional to 20,538,900 and 28,713,192

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Solution

The third proportional to 20,538,900 and 28,713,192 is: 40,140,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,538,900 : 28,713,192 = 28,713,192 : x
  2. Step 2: Convert to fraction form
    20,538,900/28,713,192 = 28,713,192/x
  3. Step 3: Cross multiply
    20,538,900x = 28,713,192 × 28,713,192
  4. Step 4: Simplify right side
    20,538,900x = 824,447,394,828,864
  5. Step 5: Solve for x
    x = 824,447,394,828,864/20,538,900
  6. Step 6: Final answer
    x = 40,140,776.52

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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.