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Finding the Third Proportional to 7,750,762.50 and 18,103,516.50

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Solution

The third proportional to 7,750,762.50 and 18,103,516.50 is: 42,284,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750,762.50 : 18,103,516.50 = 18,103,516.50 : x
  2. Step 2: Convert to fraction form
    7,750,762.50/18,103,516.50 = 18,103,516.50/x
  3. Step 3: Cross multiply
    7,750,762.50x = 18,103,516.50 × 18,103,516.50
  4. Step 4: Simplify right side
    7,750,762.50x = 327,737,309,665,772.25
  5. Step 5: Solve for x
    x = 327,737,309,665,772.25/7,750,762.50
  6. Step 6: Final answer
    x = 42,284,524.87

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.