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Finding the Third Proportional to 207,720.56 and 297,018.56

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Solution

The third proportional to 207,720.56 and 297,018.56 is: 424,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,720.56 : 297,018.56 = 297,018.56 : x
  2. Step 2: Convert to fraction form
    207,720.56/297,018.56 = 297,018.56/x
  3. Step 3: Cross multiply
    207,720.56x = 297,018.56 × 297,018.56
  4. Step 4: Simplify right side
    207,720.56x = 88,220,026,469.57
  5. Step 5: Solve for x
    x = 88,220,026,469.57/207,720.56
  6. Step 6: Final answer
    x = 424,705.31

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.