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Finding the Third Proportional to 392,253 and 606,130.50

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Solution

The third proportional to 392,253 and 606,130.50 is: 936,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,253 : 606,130.50 = 606,130.50 : x
  2. Step 2: Convert to fraction form
    392,253/606,130.50 = 606,130.50/x
  3. Step 3: Cross multiply
    392,253x = 606,130.50 × 606,130.50
  4. Step 4: Simplify right side
    392,253x = 367,394,183,030.25
  5. Step 5: Solve for x
    x = 367,394,183,030.25/392,253
  6. Step 6: Final answer
    x = 936,625.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.