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Finding the Third Proportional to 207,640 and 296,924

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Solution

The third proportional to 207,640 and 296,924 is: 424,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,640 : 296,924 = 296,924 : x
  2. Step 2: Convert to fraction form
    207,640/296,924 = 296,924/x
  3. Step 3: Cross multiply
    207,640x = 296,924 × 296,924
  4. Step 4: Simplify right side
    207,640x = 88,163,861,776
  5. Step 5: Solve for x
    x = 88,163,861,776/207,640
  6. Step 6: Final answer
    x = 424,599.60

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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.