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Finding the Third Proportional to 9,554,702 and 20,788,990

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Solution

The third proportional to 9,554,702 and 20,788,990 is: 45,232,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,554,702 : 20,788,990 = 20,788,990 : x
  2. Step 2: Convert to fraction form
    9,554,702/20,788,990 = 20,788,990/x
  3. Step 3: Cross multiply
    9,554,702x = 20,788,990 × 20,788,990
  4. Step 4: Simplify right side
    9,554,702x = 432,182,105,220,100
  5. Step 5: Solve for x
    x = 432,182,105,220,100/9,554,702
  6. Step 6: Final answer
    x = 45,232,400.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.