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Finding the Third Proportional to 539,896 and 1,181,478

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Solution

The third proportional to 539,896 and 1,181,478 is: 2,585,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,896 : 1,181,478 = 1,181,478 : x
  2. Step 2: Convert to fraction form
    539,896/1,181,478 = 1,181,478/x
  3. Step 3: Cross multiply
    539,896x = 1,181,478 × 1,181,478
  4. Step 4: Simplify right side
    539,896x = 1,395,890,264,484
  5. Step 5: Solve for x
    x = 1,395,890,264,484/539,896
  6. Step 6: Final answer
    x = 2,585,479.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.