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Finding the Third Proportional to 9,239.06 and 12,929.63

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Solution

The third proportional to 9,239.06 and 12,929.63 is: 18,094.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.06 : 12,929.63 = 12,929.63 : x
  2. Step 2: Convert to fraction form
    9,239.06/12,929.63 = 12,929.63/x
  3. Step 3: Cross multiply
    9,239.06x = 12,929.63 × 12,929.63
  4. Step 4: Simplify right side
    9,239.06x = 167,175,202.64
  5. Step 5: Solve for x
    x = 167,175,202.64/9,239.06
  6. Step 6: Final answer
    x = 18,094.39

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.