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Finding the Third Proportional to 330,277.50 and 506,077.50

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Solution

The third proportional to 330,277.50 and 506,077.50 is: 775,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,277.50 : 506,077.50 = 506,077.50 : x
  2. Step 2: Convert to fraction form
    330,277.50/506,077.50 = 506,077.50/x
  3. Step 3: Cross multiply
    330,277.50x = 506,077.50 × 506,077.50
  4. Step 4: Simplify right side
    330,277.50x = 256,114,436,006.25
  5. Step 5: Solve for x
    x = 256,114,436,006.25/330,277.50
  6. Step 6: Final answer
    x = 775,452.27

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.