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Finding the Third Proportional to 202,188 and 432,778

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Solution

The third proportional to 202,188 and 432,778 is: 926,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,188 : 432,778 = 432,778 : x
  2. Step 2: Convert to fraction form
    202,188/432,778 = 432,778/x
  3. Step 3: Cross multiply
    202,188x = 432,778 × 432,778
  4. Step 4: Simplify right side
    202,188x = 187,296,797,284
  5. Step 5: Solve for x
    x = 187,296,797,284/202,188
  6. Step 6: Final answer
    x = 926,349.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.