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Finding the Third Proportional to 305,444 and 656,088

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Solution

The third proportional to 305,444 and 656,088 is: 1,409,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,444 : 656,088 = 656,088 : x
  2. Step 2: Convert to fraction form
    305,444/656,088 = 656,088/x
  3. Step 3: Cross multiply
    305,444x = 656,088 × 656,088
  4. Step 4: Simplify right side
    305,444x = 430,451,463,744
  5. Step 5: Solve for x
    x = 430,451,463,744/305,444
  6. Step 6: Final answer
    x = 1,409,264.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.