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Finding the Third Proportional to 403,788 and 874,446

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Solution

The third proportional to 403,788 and 874,446 is: 1,893,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,788 : 874,446 = 874,446 : x
  2. Step 2: Convert to fraction form
    403,788/874,446 = 874,446/x
  3. Step 3: Cross multiply
    403,788x = 874,446 × 874,446
  4. Step 4: Simplify right side
    403,788x = 764,655,806,916
  5. Step 5: Solve for x
    x = 764,655,806,916/403,788
  6. Step 6: Final answer
    x = 1,893,706.12

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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.