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Finding the Third Proportional to 3,138,491.81 and 6,653,628.56

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Solution

The third proportional to 3,138,491.81 and 6,653,628.56 is: 14,105,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,491.81 : 6,653,628.56 = 6,653,628.56 : x
  2. Step 2: Convert to fraction form
    3,138,491.81/6,653,628.56 = 6,653,628.56/x
  3. Step 3: Cross multiply
    3,138,491.81x = 6,653,628.56 × 6,653,628.56
  4. Step 4: Simplify right side
    3,138,491.81x = 44,270,773,047,715.81
  5. Step 5: Solve for x
    x = 44,270,773,047,715.81/3,138,491.81
  6. Step 6: Final answer
    x = 14,105,747.50

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.