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Finding the Third Proportional to 268,588.50 and 579,217.50

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Solution

The third proportional to 268,588.50 and 579,217.50 is: 1,249,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,588.50 : 579,217.50 = 579,217.50 : x
  2. Step 2: Convert to fraction form
    268,588.50/579,217.50 = 579,217.50/x
  3. Step 3: Cross multiply
    268,588.50x = 579,217.50 × 579,217.50
  4. Step 4: Simplify right side
    268,588.50x = 335,492,912,306.25
  5. Step 5: Solve for x
    x = 335,492,912,306.25/268,588.50
  6. Step 6: Final answer
    x = 1,249,096.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.