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Finding the Third Proportional to 9,664.50 and 14,520

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Solution

The third proportional to 9,664.50 and 14,520 is: 21,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.50 : 14,520 = 14,520 : x
  2. Step 2: Convert to fraction form
    9,664.50/14,520 = 14,520/x
  3. Step 3: Cross multiply
    9,664.50x = 14,520 × 14,520
  4. Step 4: Simplify right side
    9,664.50x = 210,830,400
  5. Step 5: Solve for x
    x = 210,830,400/9,664.50
  6. Step 6: Final answer
    x = 21,814.93

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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.