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Finding the Third Proportional to 2,066,658.75 and 4,379,701.50

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Solution

The third proportional to 2,066,658.75 and 4,379,701.50 is: 9,281,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066,658.75 : 4,379,701.50 = 4,379,701.50 : x
  2. Step 2: Convert to fraction form
    2,066,658.75/4,379,701.50 = 4,379,701.50/x
  3. Step 3: Cross multiply
    2,066,658.75x = 4,379,701.50 × 4,379,701.50
  4. Step 4: Simplify right side
    2,066,658.75x = 19,181,785,229,102.25
  5. Step 5: Solve for x
    x = 19,181,785,229,102.25/2,066,658.75
  6. Step 6: Final answer
    x = 9,281,544.54

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.