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Finding the Third Proportional to 402,276 and 837,629

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Solution

The third proportional to 402,276 and 837,629 is: 1,744,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,276 : 837,629 = 837,629 : x
  2. Step 2: Convert to fraction form
    402,276/837,629 = 837,629/x
  3. Step 3: Cross multiply
    402,276x = 837,629 × 837,629
  4. Step 4: Simplify right side
    402,276x = 701,622,341,641
  5. Step 5: Solve for x
    x = 701,622,341,641/402,276
  6. Step 6: Final answer
    x = 1,744,131.74

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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.