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Finding the Third Proportional to 9,622,210 and 20,938,385

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Solution

The third proportional to 9,622,210 and 20,938,385 is: 45,562,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622,210 : 20,938,385 = 20,938,385 : x
  2. Step 2: Convert to fraction form
    9,622,210/20,938,385 = 20,938,385/x
  3. Step 3: Cross multiply
    9,622,210x = 20,938,385 × 20,938,385
  4. Step 4: Simplify right side
    9,622,210x = 438,415,966,408,225
  5. Step 5: Solve for x
    x = 438,415,966,408,225/9,622,210
  6. Step 6: Final answer
    x = 45,562,918.12

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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.