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Finding the Third Proportional to 412,948 and 875,516

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Solution

The third proportional to 412,948 and 875,516 is: 1,856,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,948 : 875,516 = 875,516 : x
  2. Step 2: Convert to fraction form
    412,948/875,516 = 875,516/x
  3. Step 3: Cross multiply
    412,948x = 875,516 × 875,516
  4. Step 4: Simplify right side
    412,948x = 766,528,266,256
  5. Step 5: Solve for x
    x = 766,528,266,256/412,948
  6. Step 6: Final answer
    x = 1,856,234.36

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.