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Finding the Third Proportional to 148,070 and 221,862

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Solution

The third proportional to 148,070 and 221,862 is: 332,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,070 : 221,862 = 221,862 : x
  2. Step 2: Convert to fraction form
    148,070/221,862 = 221,862/x
  3. Step 3: Cross multiply
    148,070x = 221,862 × 221,862
  4. Step 4: Simplify right side
    148,070x = 49,222,747,044
  5. Step 5: Solve for x
    x = 49,222,747,044/148,070
  6. Step 6: Final answer
    x = 332,428.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.