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Finding the Third Proportional to 14,015 and 30,289

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Solution

The third proportional to 14,015 and 30,289 is: 65,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015 : 30,289 = 30,289 : x
  2. Step 2: Convert to fraction form
    14,015/30,289 = 30,289/x
  3. Step 3: Cross multiply
    14,015x = 30,289 × 30,289
  4. Step 4: Simplify right side
    14,015x = 917,423,521
  5. Step 5: Solve for x
    x = 917,423,521/14,015
  6. Step 6: Final answer
    x = 65,460.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.