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Finding the Third Proportional to 60,215 and 125,209

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Solution

The third proportional to 60,215 and 125,209 is: 260,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,215 : 125,209 = 125,209 : x
  2. Step 2: Convert to fraction form
    60,215/125,209 = 125,209/x
  3. Step 3: Cross multiply
    60,215x = 125,209 × 125,209
  4. Step 4: Simplify right side
    60,215x = 15,677,293,681
  5. Step 5: Solve for x
    x = 15,677,293,681/60,215
  6. Step 6: Final answer
    x = 260,355.29

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.