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Finding the Third Proportional to 9,622,209 and 20,938,383

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Solution

The third proportional to 9,622,209 and 20,938,383 is: 45,562,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622,209 : 20,938,383 = 20,938,383 : x
  2. Step 2: Convert to fraction form
    9,622,209/20,938,383 = 20,938,383/x
  3. Step 3: Cross multiply
    9,622,209x = 20,938,383 × 20,938,383
  4. Step 4: Simplify right side
    9,622,209x = 438,415,882,654,689
  5. Step 5: Solve for x
    x = 438,415,882,654,689/9,622,209
  6. Step 6: Final answer
    x = 45,562,914.16

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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.