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Finding the Third Proportional to 8,737,806.75 and 13,106,711.25

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Solution

The third proportional to 8,737,806.75 and 13,106,711.25 is: 19,660,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737,806.75 : 13,106,711.25 = 13,106,711.25 : x
  2. Step 2: Convert to fraction form
    8,737,806.75/13,106,711.25 = 13,106,711.25/x
  3. Step 3: Cross multiply
    8,737,806.75x = 13,106,711.25 × 13,106,711.25
  4. Step 4: Simplify right side
    8,737,806.75x = 171,785,879,790,876.56
  5. Step 5: Solve for x
    x = 171,785,879,790,876.56/8,737,806.75
  6. Step 6: Final answer
    x = 19,660,068.56

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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.