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Finding the Third Proportional to 54,489,314 and 84,377,811

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Solution

The third proportional to 54,489,314 and 84,377,811 is: 130,660,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,489,314 : 84,377,811 = 84,377,811 : x
  2. Step 2: Convert to fraction form
    54,489,314/84,377,811 = 84,377,811/x
  3. Step 3: Cross multiply
    54,489,314x = 84,377,811 × 84,377,811
  4. Step 4: Simplify right side
    54,489,314x = 7,119,614,989,151,721
  5. Step 5: Solve for x
    x = 7,119,614,989,151,721/54,489,314
  6. Step 6: Final answer
    x = 130,660,756.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.