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Finding the Third Proportional to 7,923 and 12,461

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Solution

The third proportional to 7,923 and 12,461 is: 19,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923 : 12,461 = 12,461 : x
  2. Step 2: Convert to fraction form
    7,923/12,461 = 12,461/x
  3. Step 3: Cross multiply
    7,923x = 12,461 × 12,461
  4. Step 4: Simplify right side
    7,923x = 155,276,521
  5. Step 5: Solve for x
    x = 155,276,521/7,923
  6. Step 6: Final answer
    x = 19,598.20

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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.