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Finding the Third Proportional to 15,305.63 and 25,216.31

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Solution

The third proportional to 15,305.63 and 25,216.31 is: 41,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305.63 : 25,216.31 = 25,216.31 : x
  2. Step 2: Convert to fraction form
    15,305.63/25,216.31 = 25,216.31/x
  3. Step 3: Cross multiply
    15,305.63x = 25,216.31 × 25,216.31
  4. Step 4: Simplify right side
    15,305.63x = 635,862,416.10
  5. Step 5: Solve for x
    x = 635,862,416.10/15,305.63
  6. Step 6: Final answer
    x = 41,544.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.