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Finding the Third Proportional to 505,539 and 1,073,421

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Solution

The third proportional to 505,539 and 1,073,421 is: 2,279,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,539 : 1,073,421 = 1,073,421 : x
  2. Step 2: Convert to fraction form
    505,539/1,073,421 = 1,073,421/x
  3. Step 3: Cross multiply
    505,539x = 1,073,421 × 1,073,421
  4. Step 4: Simplify right side
    505,539x = 1,152,232,643,241
  5. Step 5: Solve for x
    x = 1,152,232,643,241/505,539
  6. Step 6: Final answer
    x = 2,279,216.13

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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.