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Finding the Third Proportional to 20,527,812 and 28,699,090

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Solution

The third proportional to 20,527,812 and 28,699,090 is: 40,123,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,812 : 28,699,090 = 28,699,090 : x
  2. Step 2: Convert to fraction form
    20,527,812/28,699,090 = 28,699,090/x
  3. Step 3: Cross multiply
    20,527,812x = 28,699,090 × 28,699,090
  4. Step 4: Simplify right side
    20,527,812x = 823,637,766,828,100
  5. Step 5: Solve for x
    x = 823,637,766,828,100/20,527,812
  6. Step 6: Final answer
    x = 40,123,017.83

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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.