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Finding the Third Proportional to 1,990,294 and 2,999,778

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Solution

The third proportional to 1,990,294 and 2,999,778 is: 4,521,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,294 : 2,999,778 = 2,999,778 : x
  2. Step 2: Convert to fraction form
    1,990,294/2,999,778 = 2,999,778/x
  3. Step 3: Cross multiply
    1,990,294x = 2,999,778 × 2,999,778
  4. Step 4: Simplify right side
    1,990,294x = 8,998,668,049,284
  5. Step 5: Solve for x
    x = 8,998,668,049,284/1,990,294
  6. Step 6: Final answer
    x = 4,521,275.78

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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.