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Finding the Third Proportional to 30,290,208 and 46,990,992

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Solution

The third proportional to 30,290,208 and 46,990,992 is: 72,899,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290,208 : 46,990,992 = 46,990,992 : x
  2. Step 2: Convert to fraction form
    30,290,208/46,990,992 = 46,990,992/x
  3. Step 3: Cross multiply
    30,290,208x = 46,990,992 × 46,990,992
  4. Step 4: Simplify right side
    30,290,208x = 2,208,153,329,144,064
  5. Step 5: Solve for x
    x = 2,208,153,329,144,064/30,290,208
  6. Step 6: Final answer
    x = 72,899,906.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.