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Finding the Third Proportional to 221,653.50 and 351,037.50

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Solution

The third proportional to 221,653.50 and 351,037.50 is: 555,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,653.50 : 351,037.50 = 351,037.50 : x
  2. Step 2: Convert to fraction form
    221,653.50/351,037.50 = 351,037.50/x
  3. Step 3: Cross multiply
    221,653.50x = 351,037.50 × 351,037.50
  4. Step 4: Simplify right side
    221,653.50x = 123,227,326,406.25
  5. Step 5: Solve for x
    x = 123,227,326,406.25/221,653.50
  6. Step 6: Final answer
    x = 555,945.77

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.