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Finding the Third Proportional to 124,216 and 269,440

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Solution

The third proportional to 124,216 and 269,440 is: 584,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,216 : 269,440 = 269,440 : x
  2. Step 2: Convert to fraction form
    124,216/269,440 = 269,440/x
  3. Step 3: Cross multiply
    124,216x = 269,440 × 269,440
  4. Step 4: Simplify right side
    124,216x = 72,597,913,600
  5. Step 5: Solve for x
    x = 72,597,913,600/124,216
  6. Step 6: Final answer
    x = 584,448.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.