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Finding the Third Proportional to 148,430 and 304,132

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Solution

The third proportional to 148,430 and 304,132 is: 623,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,430 : 304,132 = 304,132 : x
  2. Step 2: Convert to fraction form
    148,430/304,132 = 304,132/x
  3. Step 3: Cross multiply
    148,430x = 304,132 × 304,132
  4. Step 4: Simplify right side
    148,430x = 92,496,273,424
  5. Step 5: Solve for x
    x = 92,496,273,424/148,430
  6. Step 6: Final answer
    x = 623,164.28

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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.