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Finding the Third Proportional to 7,065.75 and 15,588.75

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Solution

The third proportional to 7,065.75 and 15,588.75 is: 34,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.75 : 15,588.75 = 15,588.75 : x
  2. Step 2: Convert to fraction form
    7,065.75/15,588.75 = 15,588.75/x
  3. Step 3: Cross multiply
    7,065.75x = 15,588.75 × 15,588.75
  4. Step 4: Simplify right side
    7,065.75x = 243,009,126.56
  5. Step 5: Solve for x
    x = 243,009,126.56/7,065.75
  6. Step 6: Final answer
    x = 34,392.55

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.