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Finding the Third Proportional to 20,696,612 and 43,538,176

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Solution

The third proportional to 20,696,612 and 43,538,176 is: 91,588,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696,612 : 43,538,176 = 43,538,176 : x
  2. Step 2: Convert to fraction form
    20,696,612/43,538,176 = 43,538,176/x
  3. Step 3: Cross multiply
    20,696,612x = 43,538,176 × 43,538,176
  4. Step 4: Simplify right side
    20,696,612x = 1,895,572,769,406,976
  5. Step 5: Solve for x
    x = 1,895,572,769,406,976/20,696,612
  6. Step 6: Final answer
    x = 91,588,554.18

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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.