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Finding the Third Proportional to 3,889,816.50 and 5,708,608.50

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Solution

The third proportional to 3,889,816.50 and 5,708,608.50 is: 8,377,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,816.50 : 5,708,608.50 = 5,708,608.50 : x
  2. Step 2: Convert to fraction form
    3,889,816.50/5,708,608.50 = 5,708,608.50/x
  3. Step 3: Cross multiply
    3,889,816.50x = 5,708,608.50 × 5,708,608.50
  4. Step 4: Simplify right side
    3,889,816.50x = 32,588,211,006,272.25
  5. Step 5: Solve for x
    x = 32,588,211,006,272.25/3,889,816.50
  6. Step 6: Final answer
    x = 8,377,827.34

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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.