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Finding the Third Proportional to 3,128.63 and 4,341.94

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Solution

The third proportional to 3,128.63 and 4,341.94 is: 6,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.63 : 4,341.94 = 4,341.94 : x
  2. Step 2: Convert to fraction form
    3,128.63/4,341.94 = 4,341.94/x
  3. Step 3: Cross multiply
    3,128.63x = 4,341.94 × 4,341.94
  4. Step 4: Simplify right side
    3,128.63x = 18,852,421.25
  5. Step 5: Solve for x
    x = 18,852,421.25/3,128.63
  6. Step 6: Final answer
    x = 6,025.78

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.