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Finding the Third Proportional to 5,235,876 and 8,102,646

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Solution

The third proportional to 5,235,876 and 8,102,646 is: 12,539,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235,876 : 8,102,646 = 8,102,646 : x
  2. Step 2: Convert to fraction form
    5,235,876/8,102,646 = 8,102,646/x
  3. Step 3: Cross multiply
    5,235,876x = 8,102,646 × 8,102,646
  4. Step 4: Simplify right side
    5,235,876x = 65,652,872,201,316
  5. Step 5: Solve for x
    x = 65,652,872,201,316/5,235,876
  6. Step 6: Final answer
    x = 12,539,042.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.