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Finding the Third Proportional to 603,435.75 and 911,304.75

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Solution

The third proportional to 603,435.75 and 911,304.75 is: 1,376,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,435.75 : 911,304.75 = 911,304.75 : x
  2. Step 2: Convert to fraction form
    603,435.75/911,304.75 = 911,304.75/x
  3. Step 3: Cross multiply
    603,435.75x = 911,304.75 × 911,304.75
  4. Step 4: Simplify right side
    603,435.75x = 830,476,347,372.56
  5. Step 5: Solve for x
    x = 830,476,347,372.56/603,435.75
  6. Step 6: Final answer
    x = 1,376,246.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.