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Finding the Third Proportional to 3,662,561.81 and 5,387,977.13

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Solution

The third proportional to 3,662,561.81 and 5,387,977.13 is: 7,926,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662,561.81 : 5,387,977.13 = 5,387,977.13 : x
  2. Step 2: Convert to fraction form
    3,662,561.81/5,387,977.13 = 5,387,977.13/x
  3. Step 3: Cross multiply
    3,662,561.81x = 5,387,977.13 × 5,387,977.13
  4. Step 4: Simplify right side
    3,662,561.81x = 29,030,297,499,523.27
  5. Step 5: Solve for x
    x = 29,030,297,499,523.27/3,662,561.81
  6. Step 6: Final answer
    x = 7,926,227.32

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.