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Finding the Third Proportional to 7,416 and 16,290.38

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Solution

The third proportional to 7,416 and 16,290.38 is: 35,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416 : 16,290.38 = 16,290.38 : x
  2. Step 2: Convert to fraction form
    7,416/16,290.38 = 16,290.38/x
  3. Step 3: Cross multiply
    7,416x = 16,290.38 × 16,290.38
  4. Step 4: Simplify right side
    7,416x = 265,376,317.64
  5. Step 5: Solve for x
    x = 265,376,317.64/7,416
  6. Step 6: Final answer
    x = 35,784.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.