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Finding the Third Proportional to 199,518.19 and 432,945

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Solution

The third proportional to 199,518.19 and 432,945 is: 939,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,518.19 : 432,945 = 432,945 : x
  2. Step 2: Convert to fraction form
    199,518.19/432,945 = 432,945/x
  3. Step 3: Cross multiply
    199,518.19x = 432,945 × 432,945
  4. Step 4: Simplify right side
    199,518.19x = 187,441,373,025
  5. Step 5: Solve for x
    x = 187,441,373,025/199,518.19
  6. Step 6: Final answer
    x = 939,470.11

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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.