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Finding the Third Proportional to 774,690.19 and 1,661,443.88

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Solution

The third proportional to 774,690.19 and 1,661,443.88 is: 3,563,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,690.19 : 1,661,443.88 = 1,661,443.88 : x
  2. Step 2: Convert to fraction form
    774,690.19/1,661,443.88 = 1,661,443.88/x
  3. Step 3: Cross multiply
    774,690.19x = 1,661,443.88 × 1,661,443.88
  4. Step 4: Simplify right side
    774,690.19x = 2,760,395,749,775.02
  5. Step 5: Solve for x
    x = 2,760,395,749,775.02/774,690.19
  6. Step 6: Final answer
    x = 3,563,225.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.