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Finding the Third Proportional to 392,355 and 606,028.50

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Solution

The third proportional to 392,355 and 606,028.50 is: 936,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,355 : 606,028.50 = 606,028.50 : x
  2. Step 2: Convert to fraction form
    392,355/606,028.50 = 606,028.50/x
  3. Step 3: Cross multiply
    392,355x = 606,028.50 × 606,028.50
  4. Step 4: Simplify right side
    392,355x = 367,270,542,812.25
  5. Step 5: Solve for x
    x = 367,270,542,812.25/392,355
  6. Step 6: Final answer
    x = 936,066.94

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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.