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Finding the Third Proportional to 294,164.44 and 642,275.25

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Solution

The third proportional to 294,164.44 and 642,275.25 is: 1,402,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,164.44 : 642,275.25 = 642,275.25 : x
  2. Step 2: Convert to fraction form
    294,164.44/642,275.25 = 642,275.25/x
  3. Step 3: Cross multiply
    294,164.44x = 642,275.25 × 642,275.25
  4. Step 4: Simplify right side
    294,164.44x = 412,517,496,762.56
  5. Step 5: Solve for x
    x = 412,517,496,762.56/294,164.44
  6. Step 6: Final answer
    x = 1,402,336.39

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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.