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Finding the Third Proportional to 5,387,958 and 8,081,653.50

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Solution

The third proportional to 5,387,958 and 8,081,653.50 is: 12,122,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,958 : 8,081,653.50 = 8,081,653.50 : x
  2. Step 2: Convert to fraction form
    5,387,958/8,081,653.50 = 8,081,653.50/x
  3. Step 3: Cross multiply
    5,387,958x = 8,081,653.50 × 8,081,653.50
  4. Step 4: Simplify right side
    5,387,958x = 65,313,123,294,062.25
  5. Step 5: Solve for x
    x = 65,313,123,294,062.25/5,387,958
  6. Step 6: Final answer
    x = 12,122,055.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.