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Finding the Third Proportional to 148,801 and 212,702

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Solution

The third proportional to 148,801 and 212,702 is: 304,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,801 : 212,702 = 212,702 : x
  2. Step 2: Convert to fraction form
    148,801/212,702 = 212,702/x
  3. Step 3: Cross multiply
    148,801x = 212,702 × 212,702
  4. Step 4: Simplify right side
    148,801x = 45,242,140,804
  5. Step 5: Solve for x
    x = 45,242,140,804/148,801
  6. Step 6: Final answer
    x = 304,044.60

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.