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Finding the Third Proportional to 422,276 and 879,498

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Solution

The third proportional to 422,276 and 879,498 is: 1,831,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,276 : 879,498 = 879,498 : x
  2. Step 2: Convert to fraction form
    422,276/879,498 = 879,498/x
  3. Step 3: Cross multiply
    422,276x = 879,498 × 879,498
  4. Step 4: Simplify right side
    422,276x = 773,516,732,004
  5. Step 5: Solve for x
    x = 773,516,732,004/422,276
  6. Step 6: Final answer
    x = 1,831,780.00

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.