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Finding the Third Proportional to 202,405 and 297,042

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Solution

The third proportional to 202,405 and 297,042 is: 435,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,405 : 297,042 = 297,042 : x
  2. Step 2: Convert to fraction form
    202,405/297,042 = 297,042/x
  3. Step 3: Cross multiply
    202,405x = 297,042 × 297,042
  4. Step 4: Simplify right side
    202,405x = 88,233,949,764
  5. Step 5: Solve for x
    x = 88,233,949,764/202,405
  6. Step 6: Final answer
    x = 435,927.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.