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Finding the Third Proportional to 228,645.50 and 492,409

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Solution

The third proportional to 228,645.50 and 492,409 is: 1,060,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,645.50 : 492,409 = 492,409 : x
  2. Step 2: Convert to fraction form
    228,645.50/492,409 = 492,409/x
  3. Step 3: Cross multiply
    228,645.50x = 492,409 × 492,409
  4. Step 4: Simplify right side
    228,645.50x = 242,466,623,281
  5. Step 5: Solve for x
    x = 242,466,623,281/228,645.50
  6. Step 6: Final answer
    x = 1,060,447.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.