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Finding the Third Proportional to 60,003 and 129,631

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Solution

The third proportional to 60,003 and 129,631 is: 280,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,003 : 129,631 = 129,631 : x
  2. Step 2: Convert to fraction form
    60,003/129,631 = 129,631/x
  3. Step 3: Cross multiply
    60,003x = 129,631 × 129,631
  4. Step 4: Simplify right side
    60,003x = 16,804,196,161
  5. Step 5: Solve for x
    x = 16,804,196,161/60,003
  6. Step 6: Final answer
    x = 280,055.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.