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Finding the Third Proportional to 7,109.25 and 15,038

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Solution

The third proportional to 7,109.25 and 15,038 is: 31,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.25 : 15,038 = 15,038 : x
  2. Step 2: Convert to fraction form
    7,109.25/15,038 = 15,038/x
  3. Step 3: Cross multiply
    7,109.25x = 15,038 × 15,038
  4. Step 4: Simplify right side
    7,109.25x = 226,141,444
  5. Step 5: Solve for x
    x = 226,141,444/7,109.25
  6. Step 6: Final answer
    x = 31,809.47

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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.