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Finding the Third Proportional to 3,091,807.50 and 4,065,711

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Solution

The third proportional to 3,091,807.50 and 4,065,711 is: 5,346,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091,807.50 : 4,065,711 = 4,065,711 : x
  2. Step 2: Convert to fraction form
    3,091,807.50/4,065,711 = 4,065,711/x
  3. Step 3: Cross multiply
    3,091,807.50x = 4,065,711 × 4,065,711
  4. Step 4: Simplify right side
    3,091,807.50x = 16,530,005,935,521
  5. Step 5: Solve for x
    x = 16,530,005,935,521/3,091,807.50
  6. Step 6: Final answer
    x = 5,346,389.11

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.