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Finding the Third Proportional to 402,945 and 883,392

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Solution

The third proportional to 402,945 and 883,392 is: 1,936,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,945 : 883,392 = 883,392 : x
  2. Step 2: Convert to fraction form
    402,945/883,392 = 883,392/x
  3. Step 3: Cross multiply
    402,945x = 883,392 × 883,392
  4. Step 4: Simplify right side
    402,945x = 780,381,425,664
  5. Step 5: Solve for x
    x = 780,381,425,664/402,945
  6. Step 6: Final answer
    x = 1,936,694.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.