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Finding the Third Proportional to 402,276 and 837,923

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Solution

The third proportional to 402,276 and 837,923 is: 1,745,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,276 : 837,923 = 837,923 : x
  2. Step 2: Convert to fraction form
    402,276/837,923 = 837,923/x
  3. Step 3: Cross multiply
    402,276x = 837,923 × 837,923
  4. Step 4: Simplify right side
    402,276x = 702,114,953,929
  5. Step 5: Solve for x
    x = 702,114,953,929/402,276
  6. Step 6: Final answer
    x = 1,745,356.31

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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.