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Finding the Third Proportional to 8,354.63 and 11,349.38

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Solution

The third proportional to 8,354.63 and 11,349.38 is: 15,417.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.63 : 11,349.38 = 11,349.38 : x
  2. Step 2: Convert to fraction form
    8,354.63/11,349.38 = 11,349.38/x
  3. Step 3: Cross multiply
    8,354.63x = 11,349.38 × 11,349.38
  4. Step 4: Simplify right side
    8,354.63x = 128,808,312.89
  5. Step 5: Solve for x
    x = 128,808,312.89/8,354.63
  6. Step 6: Final answer
    x = 15,417.61

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.