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Finding the Third Proportional to 9,072 and 14,312

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Solution

The third proportional to 9,072 and 14,312 is: 22,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072 : 14,312 = 14,312 : x
  2. Step 2: Convert to fraction form
    9,072/14,312 = 14,312/x
  3. Step 3: Cross multiply
    9,072x = 14,312 × 14,312
  4. Step 4: Simplify right side
    9,072x = 204,833,344
  5. Step 5: Solve for x
    x = 204,833,344/9,072
  6. Step 6: Final answer
    x = 22,578.63

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.