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Finding the Third Proportional to 403,792 and 874,453

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Solution

The third proportional to 403,792 and 874,453 is: 1,893,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,792 : 874,453 = 874,453 : x
  2. Step 2: Convert to fraction form
    403,792/874,453 = 874,453/x
  3. Step 3: Cross multiply
    403,792x = 874,453 × 874,453
  4. Step 4: Simplify right side
    403,792x = 764,668,049,209
  5. Step 5: Solve for x
    x = 764,668,049,209/403,792
  6. Step 6: Final answer
    x = 1,893,717.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.