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Finding the Third Proportional to 392,356.50 and 606,030.75

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Solution

The third proportional to 392,356.50 and 606,030.75 is: 936,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,356.50 : 606,030.75 = 606,030.75 : x
  2. Step 2: Convert to fraction form
    392,356.50/606,030.75 = 606,030.75/x
  3. Step 3: Cross multiply
    392,356.50x = 606,030.75 × 606,030.75
  4. Step 4: Simplify right side
    392,356.50x = 367,273,269,945.56
  5. Step 5: Solve for x
    x = 367,273,269,945.56/392,356.50
  6. Step 6: Final answer
    x = 936,070.31

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.