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Finding the Third Proportional to 5,402,164.50 and 8,240,442.75

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Solution

The third proportional to 5,402,164.50 and 8,240,442.75 is: 12,569,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402,164.50 : 8,240,442.75 = 8,240,442.75 : x
  2. Step 2: Convert to fraction form
    5,402,164.50/8,240,442.75 = 8,240,442.75/x
  3. Step 3: Cross multiply
    5,402,164.50x = 8,240,442.75 × 8,240,442.75
  4. Step 4: Simplify right side
    5,402,164.50x = 67,904,896,716,027.56
  5. Step 5: Solve for x
    x = 67,904,896,716,027.56/5,402,164.50
  6. Step 6: Final answer
    x = 12,569,942.42

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.