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Finding the Third Proportional to 207,715.50 and 297,038.25

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Solution

The third proportional to 207,715.50 and 297,038.25 is: 424,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,715.50 : 297,038.25 = 297,038.25 : x
  2. Step 2: Convert to fraction form
    207,715.50/297,038.25 = 297,038.25/x
  3. Step 3: Cross multiply
    207,715.50x = 297,038.25 × 297,038.25
  4. Step 4: Simplify right side
    207,715.50x = 88,231,721,963.06
  5. Step 5: Solve for x
    x = 88,231,721,963.06/207,715.50
  6. Step 6: Final answer
    x = 424,771.97

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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.