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Finding the Third Proportional to 5,708.84 and 8,636.94

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Solution

The third proportional to 5,708.84 and 8,636.94 is: 13,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.84 : 8,636.94 = 8,636.94 : x
  2. Step 2: Convert to fraction form
    5,708.84/8,636.94 = 8,636.94/x
  3. Step 3: Cross multiply
    5,708.84x = 8,636.94 × 8,636.94
  4. Step 4: Simplify right side
    5,708.84x = 74,596,756.85
  5. Step 5: Solve for x
    x = 74,596,756.85/5,708.84
  6. Step 6: Final answer
    x = 13,066.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.