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Finding the Third Proportional to 7,261.59 and 15,395.06

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Solution

The third proportional to 7,261.59 and 15,395.06 is: 32,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.59 : 15,395.06 = 15,395.06 : x
  2. Step 2: Convert to fraction form
    7,261.59/15,395.06 = 15,395.06/x
  3. Step 3: Cross multiply
    7,261.59x = 15,395.06 × 15,395.06
  4. Step 4: Simplify right side
    7,261.59x = 237,007,987.43
  5. Step 5: Solve for x
    x = 237,007,987.43/7,261.59
  6. Step 6: Final answer
    x = 32,638.58

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.