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Finding the Third Proportional to 148,510.97 and 320,117.06

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Solution

The third proportional to 148,510.97 and 320,117.06 is: 690,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,510.97 : 320,117.06 = 320,117.06 : x
  2. Step 2: Convert to fraction form
    148,510.97/320,117.06 = 320,117.06/x
  3. Step 3: Cross multiply
    148,510.97x = 320,117.06 × 320,117.06
  4. Step 4: Simplify right side
    148,510.97x = 102,474,933,703.63
  5. Step 5: Solve for x
    x = 102,474,933,703.63/148,510.97
  6. Step 6: Final answer
    x = 690,015.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.