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Finding the Third Proportional to 266,687 and 583,188

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Solution

The third proportional to 266,687 and 583,188 is: 1,275,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,687 : 583,188 = 583,188 : x
  2. Step 2: Convert to fraction form
    266,687/583,188 = 583,188/x
  3. Step 3: Cross multiply
    266,687x = 583,188 × 583,188
  4. Step 4: Simplify right side
    266,687x = 340,108,243,344
  5. Step 5: Solve for x
    x = 340,108,243,344/266,687
  6. Step 6: Final answer
    x = 1,275,308.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.