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Finding the Third Proportional to 250,792 and 388,763

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Solution

The third proportional to 250,792 and 388,763 is: 602,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,792 : 388,763 = 388,763 : x
  2. Step 2: Convert to fraction form
    250,792/388,763 = 388,763/x
  3. Step 3: Cross multiply
    250,792x = 388,763 × 388,763
  4. Step 4: Simplify right side
    250,792x = 151,136,670,169
  5. Step 5: Solve for x
    x = 151,136,670,169/250,792
  6. Step 6: Final answer
    x = 602,637.52

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.