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Finding the Third Proportional to 131,563.25 and 288,165.25

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Solution

The third proportional to 131,563.25 and 288,165.25 is: 631,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,563.25 : 288,165.25 = 288,165.25 : x
  2. Step 2: Convert to fraction form
    131,563.25/288,165.25 = 288,165.25/x
  3. Step 3: Cross multiply
    131,563.25x = 288,165.25 × 288,165.25
  4. Step 4: Simplify right side
    131,563.25x = 83,039,211,307.56
  5. Step 5: Solve for x
    x = 83,039,211,307.56/131,563.25
  6. Step 6: Final answer
    x = 631,173.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.