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Finding the Third Proportional to 10,590 and 14,859

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Solution

The third proportional to 10,590 and 14,859 is: 20,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590 : 14,859 = 14,859 : x
  2. Step 2: Convert to fraction form
    10,590/14,859 = 14,859/x
  3. Step 3: Cross multiply
    10,590x = 14,859 × 14,859
  4. Step 4: Simplify right side
    10,590x = 220,789,881
  5. Step 5: Solve for x
    x = 220,789,881/10,590
  6. Step 6: Final answer
    x = 20,848.90

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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.