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Finding the Third Proportional to 9,864 and 14,646

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Solution

The third proportional to 9,864 and 14,646 is: 21,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864 : 14,646 = 14,646 : x
  2. Step 2: Convert to fraction form
    9,864/14,646 = 14,646/x
  3. Step 3: Cross multiply
    9,864x = 14,646 × 14,646
  4. Step 4: Simplify right side
    9,864x = 214,505,316
  5. Step 5: Solve for x
    x = 214,505,316/9,864
  6. Step 6: Final answer
    x = 21,746.28

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.