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Finding the Third Proportional to 395,550 and 876,516

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Solution

The third proportional to 395,550 and 876,516 is: 1,942,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,550 : 876,516 = 876,516 : x
  2. Step 2: Convert to fraction form
    395,550/876,516 = 876,516/x
  3. Step 3: Cross multiply
    395,550x = 876,516 × 876,516
  4. Step 4: Simplify right side
    395,550x = 768,280,298,256
  5. Step 5: Solve for x
    x = 768,280,298,256/395,550
  6. Step 6: Final answer
    x = 1,942,308.93

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.