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Finding the Third Proportional to 199,603.50 and 432,436.50

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Solution

The third proportional to 199,603.50 and 432,436.50 is: 936,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,603.50 : 432,436.50 = 432,436.50 : x
  2. Step 2: Convert to fraction form
    199,603.50/432,436.50 = 432,436.50/x
  3. Step 3: Cross multiply
    199,603.50x = 432,436.50 × 432,436.50
  4. Step 4: Simplify right side
    199,603.50x = 187,001,326,532.25
  5. Step 5: Solve for x
    x = 187,001,326,532.25/199,603.50
  6. Step 6: Final answer
    x = 936,863.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.