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Finding the Third Proportional to 14,058 and 21,091

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Solution

The third proportional to 14,058 and 21,091 is: 31,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058 : 21,091 = 21,091 : x
  2. Step 2: Convert to fraction form
    14,058/21,091 = 21,091/x
  3. Step 3: Cross multiply
    14,058x = 21,091 × 21,091
  4. Step 4: Simplify right side
    14,058x = 444,830,281
  5. Step 5: Solve for x
    x = 444,830,281/14,058
  6. Step 6: Final answer
    x = 31,642.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.