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Finding the Third Proportional to 1,852.50 and 4,000.50

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Solution

The third proportional to 1,852.50 and 4,000.50 is: 8,639.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.50 : 4,000.50 = 4,000.50 : x
  2. Step 2: Convert to fraction form
    1,852.50/4,000.50 = 4,000.50/x
  3. Step 3: Cross multiply
    1,852.50x = 4,000.50 × 4,000.50
  4. Step 4: Simplify right side
    1,852.50x = 16,004,000.25
  5. Step 5: Solve for x
    x = 16,004,000.25/1,852.50
  6. Step 6: Final answer
    x = 8,639.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.