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Finding the Third Proportional to 302,152.50 and 658,248.75

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Solution

The third proportional to 302,152.50 and 658,248.75 is: 1,434,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,152.50 : 658,248.75 = 658,248.75 : x
  2. Step 2: Convert to fraction form
    302,152.50/658,248.75 = 658,248.75/x
  3. Step 3: Cross multiply
    302,152.50x = 658,248.75 × 658,248.75
  4. Step 4: Simplify right side
    302,152.50x = 433,291,416,876.56
  5. Step 5: Solve for x
    x = 433,291,416,876.56/302,152.50
  6. Step 6: Final answer
    x = 1,434,015.66

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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.