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Finding the Third Proportional to 4,802.50 and 7,645

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Solution

The third proportional to 4,802.50 and 7,645 is: 12,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.50 : 7,645 = 7,645 : x
  2. Step 2: Convert to fraction form
    4,802.50/7,645 = 7,645/x
  3. Step 3: Cross multiply
    4,802.50x = 7,645 × 7,645
  4. Step 4: Simplify right side
    4,802.50x = 58,446,025
  5. Step 5: Solve for x
    x = 58,446,025/4,802.50
  6. Step 6: Final answer
    x = 12,169.92

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.