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Finding the Third Proportional to 20,529,450 and 28,701,540

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Solution

The third proportional to 20,529,450 and 28,701,540 is: 40,126,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529,450 : 28,701,540 = 28,701,540 : x
  2. Step 2: Convert to fraction form
    20,529,450/28,701,540 = 28,701,540/x
  3. Step 3: Cross multiply
    20,529,450x = 28,701,540 × 28,701,540
  4. Step 4: Simplify right side
    20,529,450x = 823,778,398,371,600
  5. Step 5: Solve for x
    x = 823,778,398,371,600/20,529,450
  6. Step 6: Final answer
    x = 40,126,666.73

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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.