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Finding the Third Proportional to 200,866.50 and 437,788.13

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Solution

The third proportional to 200,866.50 and 437,788.13 is: 954,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,866.50 : 437,788.13 = 437,788.13 : x
  2. Step 2: Convert to fraction form
    200,866.50/437,788.13 = 437,788.13/x
  3. Step 3: Cross multiply
    200,866.50x = 437,788.13 × 437,788.13
  4. Step 4: Simplify right side
    200,866.50x = 191,658,442,391.02
  5. Step 5: Solve for x
    x = 191,658,442,391.02/200,866.50
  6. Step 6: Final answer
    x = 954,158.32

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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.