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Finding the Third Proportional to 20,527,808 and 28,699,084

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Solution

The third proportional to 20,527,808 and 28,699,084 is: 40,123,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,808 : 28,699,084 = 28,699,084 : x
  2. Step 2: Convert to fraction form
    20,527,808/28,699,084 = 28,699,084/x
  3. Step 3: Cross multiply
    20,527,808x = 28,699,084 × 28,699,084
  4. Step 4: Simplify right side
    20,527,808x = 823,637,422,439,056
  5. Step 5: Solve for x
    x = 823,637,422,439,056/20,527,808
  6. Step 6: Final answer
    x = 40,123,008.87

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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.