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Finding the Third Proportional to 2,018,979 and 3,103,292.25

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Solution

The third proportional to 2,018,979 and 3,103,292.25 is: 4,769,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,979 : 3,103,292.25 = 3,103,292.25 : x
  2. Step 2: Convert to fraction form
    2,018,979/3,103,292.25 = 3,103,292.25/x
  3. Step 3: Cross multiply
    2,018,979x = 3,103,292.25 × 3,103,292.25
  4. Step 4: Simplify right side
    2,018,979x = 9,630,422,788,910.06
  5. Step 5: Solve for x
    x = 9,630,422,788,910.06/2,018,979
  6. Step 6: Final answer
    x = 4,769,946.98

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.