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Finding the Third Proportional to 544,979 and 1,272,911

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Solution

The third proportional to 544,979 and 1,272,911 is: 2,973,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,979 : 1,272,911 = 1,272,911 : x
  2. Step 2: Convert to fraction form
    544,979/1,272,911 = 1,272,911/x
  3. Step 3: Cross multiply
    544,979x = 1,272,911 × 1,272,911
  4. Step 4: Simplify right side
    544,979x = 1,620,302,413,921
  5. Step 5: Solve for x
    x = 1,620,302,413,921/544,979
  6. Step 6: Final answer
    x = 2,973,146.51

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.