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Finding the Third Proportional to 9,637,821 and 20,955,231

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Solution

The third proportional to 9,637,821 and 20,955,231 is: 45,562,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,637,821 : 20,955,231 = 20,955,231 : x
  2. Step 2: Convert to fraction form
    9,637,821/20,955,231 = 20,955,231/x
  3. Step 3: Cross multiply
    9,637,821x = 20,955,231 × 20,955,231
  4. Step 4: Simplify right side
    9,637,821x = 439,121,706,263,361
  5. Step 5: Solve for x
    x = 439,121,706,263,361/9,637,821
  6. Step 6: Final answer
    x = 45,562,343.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.