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Finding the Third Proportional to 6,938.16 and 15,259.64

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Solution

The third proportional to 6,938.16 and 15,259.64 is: 33,561.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.16 : 15,259.64 = 15,259.64 : x
  2. Step 2: Convert to fraction form
    6,938.16/15,259.64 = 15,259.64/x
  3. Step 3: Cross multiply
    6,938.16x = 15,259.64 × 15,259.64
  4. Step 4: Simplify right side
    6,938.16x = 232,856,632.00
  5. Step 5: Solve for x
    x = 232,856,632.00/6,938.16
  6. Step 6: Final answer
    x = 33,561.75

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.