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Finding the Third Proportional to 59,268 and 129,603

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Solution

The third proportional to 59,268 and 129,603 is: 283,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,268 : 129,603 = 129,603 : x
  2. Step 2: Convert to fraction form
    59,268/129,603 = 129,603/x
  3. Step 3: Cross multiply
    59,268x = 129,603 × 129,603
  4. Step 4: Simplify right side
    59,268x = 16,796,937,609
  5. Step 5: Solve for x
    x = 16,796,937,609/59,268
  6. Step 6: Final answer
    x = 283,406.52

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.