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Finding the Third Proportional to 4,289.63 and 4,411.13

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Solution

The third proportional to 4,289.63 and 4,411.13 is: 4,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.63 : 4,411.13 = 4,411.13 : x
  2. Step 2: Convert to fraction form
    4,289.63/4,411.13 = 4,411.13/x
  3. Step 3: Cross multiply
    4,289.63x = 4,411.13 × 4,411.13
  4. Step 4: Simplify right side
    4,289.63x = 19,458,023.77
  5. Step 5: Solve for x
    x = 19,458,023.77/4,289.63
  6. Step 6: Final answer
    x = 4,536.07

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Why These Related Problems?

These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.