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Finding the Third Proportional to 1,296,459.19 and 2,800,642.69

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Solution

The third proportional to 1,296,459.19 and 2,800,642.69 is: 6,050,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,459.19 : 2,800,642.69 = 2,800,642.69 : x
  2. Step 2: Convert to fraction form
    1,296,459.19/2,800,642.69 = 2,800,642.69/x
  3. Step 3: Cross multiply
    1,296,459.19x = 2,800,642.69 × 2,800,642.69
  4. Step 4: Simplify right side
    1,296,459.19x = 7,843,599,463,047.22
  5. Step 5: Solve for x
    x = 7,843,599,463,047.22/1,296,459.19
  6. Step 6: Final answer
    x = 6,050,016.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.