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Finding the Third Proportional to 641,653.52 and 1,392,984.84

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Solution

The third proportional to 641,653.52 and 1,392,984.84 is: 3,024,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,653.52 : 1,392,984.84 = 1,392,984.84 : x
  2. Step 2: Convert to fraction form
    641,653.52/1,392,984.84 = 1,392,984.84/x
  3. Step 3: Cross multiply
    641,653.52x = 1,392,984.84 × 1,392,984.84
  4. Step 4: Simplify right side
    641,653.52x = 1,940,406,774,917.21
  5. Step 5: Solve for x
    x = 1,940,406,774,917.21/641,653.52
  6. Step 6: Final answer
    x = 3,024,072.50

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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.