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Finding the Third Proportional to 216,220.50 and 497,686.50

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Solution

The third proportional to 216,220.50 and 497,686.50 is: 1,145,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,220.50 : 497,686.50 = 497,686.50 : x
  2. Step 2: Convert to fraction form
    216,220.50/497,686.50 = 497,686.50/x
  3. Step 3: Cross multiply
    216,220.50x = 497,686.50 × 497,686.50
  4. Step 4: Simplify right side
    216,220.50x = 247,691,852,282.25
  5. Step 5: Solve for x
    x = 247,691,852,282.25/216,220.50
  6. Step 6: Final answer
    x = 1,145,552.12

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.