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Finding the Third Proportional to 14,418 and 31,056

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Solution

The third proportional to 14,418 and 31,056 is: 66,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418 : 31,056 = 31,056 : x
  2. Step 2: Convert to fraction form
    14,418/31,056 = 31,056/x
  3. Step 3: Cross multiply
    14,418x = 31,056 × 31,056
  4. Step 4: Simplify right side
    14,418x = 964,475,136
  5. Step 5: Solve for x
    x = 964,475,136/14,418
  6. Step 6: Final answer
    x = 66,893.82

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.