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Finding the Third Proportional to 7,436.25 and 10,875

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Solution

The third proportional to 7,436.25 and 10,875 is: 15,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.25 : 10,875 = 10,875 : x
  2. Step 2: Convert to fraction form
    7,436.25/10,875 = 10,875/x
  3. Step 3: Cross multiply
    7,436.25x = 10,875 × 10,875
  4. Step 4: Simplify right side
    7,436.25x = 118,265,625
  5. Step 5: Solve for x
    x = 118,265,625/7,436.25
  6. Step 6: Final answer
    x = 15,903.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.