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Finding the Third Proportional to 221,746 and 341,306

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Solution

The third proportional to 221,746 and 341,306 is: 525,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,746 : 341,306 = 341,306 : x
  2. Step 2: Convert to fraction form
    221,746/341,306 = 341,306/x
  3. Step 3: Cross multiply
    221,746x = 341,306 × 341,306
  4. Step 4: Simplify right side
    221,746x = 116,489,785,636
  5. Step 5: Solve for x
    x = 116,489,785,636/221,746
  6. Step 6: Final answer
    x = 525,329.82

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.