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Finding the Third Proportional to 15,007.50 and 36,012.75

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Solution

The third proportional to 15,007.50 and 36,012.75 is: 86,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.50 : 36,012.75 = 36,012.75 : x
  2. Step 2: Convert to fraction form
    15,007.50/36,012.75 = 36,012.75/x
  3. Step 3: Cross multiply
    15,007.50x = 36,012.75 × 36,012.75
  4. Step 4: Simplify right side
    15,007.50x = 1,296,918,162.56
  5. Step 5: Solve for x
    x = 1,296,918,162.56/15,007.50
  6. Step 6: Final answer
    x = 86,418.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.