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Finding the Third Proportional to 20,696,615 and 43,538,206

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Solution

The third proportional to 20,696,615 and 43,538,206 is: 91,588,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696,615 : 43,538,206 = 43,538,206 : x
  2. Step 2: Convert to fraction form
    20,696,615/43,538,206 = 43,538,206/x
  3. Step 3: Cross multiply
    20,696,615x = 43,538,206 × 43,538,206
  4. Step 4: Simplify right side
    20,696,615x = 1,895,575,381,698,436
  5. Step 5: Solve for x
    x = 1,895,575,381,698,436/20,696,615
  6. Step 6: Final answer
    x = 91,588,667.12

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.