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Finding the Third Proportional to 685,715.63 and 1,497,912.75

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Solution

The third proportional to 685,715.63 and 1,497,912.75 is: 3,272,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,715.63 : 1,497,912.75 = 1,497,912.75 : x
  2. Step 2: Convert to fraction form
    685,715.63/1,497,912.75 = 1,497,912.75/x
  3. Step 3: Cross multiply
    685,715.63x = 1,497,912.75 × 1,497,912.75
  4. Step 4: Simplify right side
    685,715.63x = 2,243,742,606,612.56
  5. Step 5: Solve for x
    x = 2,243,742,606,612.56/685,715.63
  6. Step 6: Final answer
    x = 3,272,118.24

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.