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Finding the Third Proportional to 276,890.91 and 572,997.80

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Solution

The third proportional to 276,890.91 and 572,997.80 is: 1,185,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,890.91 : 572,997.80 = 572,997.80 : x
  2. Step 2: Convert to fraction form
    276,890.91/572,997.80 = 572,997.80/x
  3. Step 3: Cross multiply
    276,890.91x = 572,997.80 × 572,997.80
  4. Step 4: Simplify right side
    276,890.91x = 328,326,475,223.60
  5. Step 5: Solve for x
    x = 328,326,475,223.60/276,890.91
  6. Step 6: Final answer
    x = 1,185,761.13

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.