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Finding the Third Proportional to 245,490.75 and 534,721.50

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Solution

The third proportional to 245,490.75 and 534,721.50 is: 1,164,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,490.75 : 534,721.50 = 534,721.50 : x
  2. Step 2: Convert to fraction form
    245,490.75/534,721.50 = 534,721.50/x
  3. Step 3: Cross multiply
    245,490.75x = 534,721.50 × 534,721.50
  4. Step 4: Simplify right side
    245,490.75x = 285,927,082,562.25
  5. Step 5: Solve for x
    x = 285,927,082,562.25/245,490.75
  6. Step 6: Final answer
    x = 1,164,716.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.