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Finding the Third Proportional to 148,406 and 304,102

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Solution

The third proportional to 148,406 and 304,102 is: 623,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,406 : 304,102 = 304,102 : x
  2. Step 2: Convert to fraction form
    148,406/304,102 = 304,102/x
  3. Step 3: Cross multiply
    148,406x = 304,102 × 304,102
  4. Step 4: Simplify right side
    148,406x = 92,478,026,404
  5. Step 5: Solve for x
    x = 92,478,026,404/148,406
  6. Step 6: Final answer
    x = 623,142.10

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.