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Finding the Third Proportional to 1,990,127 and 4,352,584

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Solution

The third proportional to 1,990,127 and 4,352,584 is: 9,519,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,127 : 4,352,584 = 4,352,584 : x
  2. Step 2: Convert to fraction form
    1,990,127/4,352,584 = 4,352,584/x
  3. Step 3: Cross multiply
    1,990,127x = 4,352,584 × 4,352,584
  4. Step 4: Simplify right side
    1,990,127x = 18,944,987,477,056
  5. Step 5: Solve for x
    x = 18,944,987,477,056/1,990,127
  6. Step 6: Final answer
    x = 9,519,486.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.