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Finding the Third Proportional to 7,716 and 16,201.50

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Solution

The third proportional to 7,716 and 16,201.50 is: 34,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716 : 16,201.50 = 16,201.50 : x
  2. Step 2: Convert to fraction form
    7,716/16,201.50 = 16,201.50/x
  3. Step 3: Cross multiply
    7,716x = 16,201.50 × 16,201.50
  4. Step 4: Simplify right side
    7,716x = 262,488,602.25
  5. Step 5: Solve for x
    x = 262,488,602.25/7,716
  6. Step 6: Final answer
    x = 34,018.74

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.