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Finding the Third Proportional to 3,273,167.81 and 7,112,905.31

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Solution

The third proportional to 3,273,167.81 and 7,112,905.31 is: 15,457,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273,167.81 : 7,112,905.31 = 7,112,905.31 : x
  2. Step 2: Convert to fraction form
    3,273,167.81/7,112,905.31 = 7,112,905.31/x
  3. Step 3: Cross multiply
    3,273,167.81x = 7,112,905.31 × 7,112,905.31
  4. Step 4: Simplify right side
    3,273,167.81x = 50,593,421,984,590.72
  5. Step 5: Solve for x
    x = 50,593,421,984,590.72/3,273,167.81
  6. Step 6: Final answer
    x = 15,457,020.50

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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.