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Finding the Third Proportional to 2,690,420.06 and 4,484,033.44

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Solution

The third proportional to 2,690,420.06 and 4,484,033.44 is: 7,473,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,420.06 : 4,484,033.44 = 4,484,033.44 : x
  2. Step 2: Convert to fraction form
    2,690,420.06/4,484,033.44 = 4,484,033.44/x
  3. Step 3: Cross multiply
    2,690,420.06x = 4,484,033.44 × 4,484,033.44
  4. Step 4: Simplify right side
    2,690,420.06x = 20,106,555,868,618.07
  5. Step 5: Solve for x
    x = 20,106,555,868,618.07/2,690,420.06
  6. Step 6: Final answer
    x = 7,473,389.06

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.