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Finding the Third Proportional to 147,355 and 221,892

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Solution

The third proportional to 147,355 and 221,892 is: 334,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,355 : 221,892 = 221,892 : x
  2. Step 2: Convert to fraction form
    147,355/221,892 = 221,892/x
  3. Step 3: Cross multiply
    147,355x = 221,892 × 221,892
  4. Step 4: Simplify right side
    147,355x = 49,236,059,664
  5. Step 5: Solve for x
    x = 49,236,059,664/147,355
  6. Step 6: Final answer
    x = 334,132.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.