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Finding the Third Proportional to 555,039 and 1,212,797.81

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Solution

The third proportional to 555,039 and 1,212,797.81 is: 2,650,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,039 : 1,212,797.81 = 1,212,797.81 : x
  2. Step 2: Convert to fraction form
    555,039/1,212,797.81 = 1,212,797.81/x
  3. Step 3: Cross multiply
    555,039x = 1,212,797.81 × 1,212,797.81
  4. Step 4: Simplify right side
    555,039x = 1,470,878,534,004.79
  5. Step 5: Solve for x
    x = 1,470,878,534,004.79/555,039
  6. Step 6: Final answer
    x = 2,650,045.37

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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.