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Finding the Third Proportional to 1,990,308 and 2,999,796

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Solution

The third proportional to 1,990,308 and 2,999,796 is: 4,521,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,308 : 2,999,796 = 2,999,796 : x
  2. Step 2: Convert to fraction form
    1,990,308/2,999,796 = 2,999,796/x
  3. Step 3: Cross multiply
    1,990,308x = 2,999,796 × 2,999,796
  4. Step 4: Simplify right side
    1,990,308x = 8,998,776,041,616
  5. Step 5: Solve for x
    x = 8,998,776,041,616/1,990,308
  6. Step 6: Final answer
    x = 4,521,298.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.