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Finding the Third Proportional to 4,546 and 7,988

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Solution

The third proportional to 4,546 and 7,988 is: 14,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,546 : 7,988 = 7,988 : x
  2. Step 2: Convert to fraction form
    4,546/7,988 = 7,988/x
  3. Step 3: Cross multiply
    4,546x = 7,988 × 7,988
  4. Step 4: Simplify right side
    4,546x = 63,808,144
  5. Step 5: Solve for x
    x = 63,808,144/4,546
  6. Step 6: Final answer
    x = 14,036.11

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.