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Finding the Third Proportional to 3,188,936.81 and 4,908,220.88

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Solution

The third proportional to 3,188,936.81 and 4,908,220.88 is: 7,554,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,936.81 : 4,908,220.88 = 4,908,220.88 : x
  2. Step 2: Convert to fraction form
    3,188,936.81/4,908,220.88 = 4,908,220.88/x
  3. Step 3: Cross multiply
    3,188,936.81x = 4,908,220.88 × 4,908,220.88
  4. Step 4: Simplify right side
    3,188,936.81x = 24,090,632,157,785.77
  5. Step 5: Solve for x
    x = 24,090,632,157,785.77/3,188,936.81
  6. Step 6: Final answer
    x = 7,554,440.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.