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Finding the Third Proportional to 14,818 and 21,641

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Solution

The third proportional to 14,818 and 21,641 is: 31,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818 : 21,641 = 21,641 : x
  2. Step 2: Convert to fraction form
    14,818/21,641 = 21,641/x
  3. Step 3: Cross multiply
    14,818x = 21,641 × 21,641
  4. Step 4: Simplify right side
    14,818x = 468,332,881
  5. Step 5: Solve for x
    x = 468,332,881/14,818
  6. Step 6: Final answer
    x = 31,605.67

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.