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Finding the Third Proportional to 131,313.75 and 288,345.75

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Solution

The third proportional to 131,313.75 and 288,345.75 is: 633,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,313.75 : 288,345.75 = 288,345.75 : x
  2. Step 2: Convert to fraction form
    131,313.75/288,345.75 = 288,345.75/x
  3. Step 3: Cross multiply
    131,313.75x = 288,345.75 × 288,345.75
  4. Step 4: Simplify right side
    131,313.75x = 83,143,271,543.06
  5. Step 5: Solve for x
    x = 83,143,271,543.06/131,313.75
  6. Step 6: Final answer
    x = 633,165.01

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.