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Finding the Third Proportional to 1,212,009 and 2,549,649

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Solution

The third proportional to 1,212,009 and 2,549,649 is: 5,363,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,009 : 2,549,649 = 2,549,649 : x
  2. Step 2: Convert to fraction form
    1,212,009/2,549,649 = 2,549,649/x
  3. Step 3: Cross multiply
    1,212,009x = 2,549,649 × 2,549,649
  4. Step 4: Simplify right side
    1,212,009x = 6,500,710,023,201
  5. Step 5: Solve for x
    x = 6,500,710,023,201/1,212,009
  6. Step 6: Final answer
    x = 5,363,582.30

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.