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Finding the Third Proportional to 162,480 and 356,348

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Solution

The third proportional to 162,480 and 356,348 is: 781,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,480 : 356,348 = 356,348 : x
  2. Step 2: Convert to fraction form
    162,480/356,348 = 356,348/x
  3. Step 3: Cross multiply
    162,480x = 356,348 × 356,348
  4. Step 4: Simplify right side
    162,480x = 126,983,897,104
  5. Step 5: Solve for x
    x = 126,983,897,104/162,480
  6. Step 6: Final answer
    x = 781,535.56

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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.