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Finding the Third Proportional to 3,178,329.75 and 6,898,482

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Solution

The third proportional to 3,178,329.75 and 6,898,482 is: 14,972,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,329.75 : 6,898,482 = 6,898,482 : x
  2. Step 2: Convert to fraction form
    3,178,329.75/6,898,482 = 6,898,482/x
  3. Step 3: Cross multiply
    3,178,329.75x = 6,898,482 × 6,898,482
  4. Step 4: Simplify right side
    3,178,329.75x = 47,589,053,904,324
  5. Step 5: Solve for x
    x = 47,589,053,904,324/3,178,329.75
  6. Step 6: Final answer
    x = 14,972,975.63

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.