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Finding the Third Proportional to 579,989 and 1,277,752

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Solution

The third proportional to 579,989 and 1,277,752 is: 2,814,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,989 : 1,277,752 = 1,277,752 : x
  2. Step 2: Convert to fraction form
    579,989/1,277,752 = 1,277,752/x
  3. Step 3: Cross multiply
    579,989x = 1,277,752 × 1,277,752
  4. Step 4: Simplify right side
    579,989x = 1,632,650,173,504
  5. Step 5: Solve for x
    x = 1,632,650,173,504/579,989
  6. Step 6: Final answer
    x = 2,814,967.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.