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Finding the Third Proportional to 243,660.38 and 376,557.75

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Solution

The third proportional to 243,660.38 and 376,557.75 is: 581,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,660.38 : 376,557.75 = 376,557.75 : x
  2. Step 2: Convert to fraction form
    243,660.38/376,557.75 = 376,557.75/x
  3. Step 3: Cross multiply
    243,660.38x = 376,557.75 × 376,557.75
  4. Step 4: Simplify right side
    243,660.38x = 141,795,739,085.06
  5. Step 5: Solve for x
    x = 141,795,739,085.06/243,660.38
  6. Step 6: Final answer
    x = 581,940.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.