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Finding the Third Proportional to 520,079 and 1,118,887

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Solution

The third proportional to 520,079 and 1,118,887 is: 2,407,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,079 : 1,118,887 = 1,118,887 : x
  2. Step 2: Convert to fraction form
    520,079/1,118,887 = 1,118,887/x
  3. Step 3: Cross multiply
    520,079x = 1,118,887 × 1,118,887
  4. Step 4: Simplify right side
    520,079x = 1,251,908,118,769
  5. Step 5: Solve for x
    x = 1,251,908,118,769/520,079
  6. Step 6: Final answer
    x = 2,407,149.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.