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Finding the Third Proportional to 436.75 and 1,038.25

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Solution

The third proportional to 436.75 and 1,038.25 is: 2,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.75 : 1,038.25 = 1,038.25 : x
  2. Step 2: Convert to fraction form
    436.75/1,038.25 = 1,038.25/x
  3. Step 3: Cross multiply
    436.75x = 1,038.25 × 1,038.25
  4. Step 4: Simplify right side
    436.75x = 1,077,963.06
  5. Step 5: Solve for x
    x = 1,077,963.06/436.75
  6. Step 6: Final answer
    x = 2,468.15

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These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.