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Finding the Third Proportional to 9,214,470 and 19,995,220

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Solution

The third proportional to 9,214,470 and 19,995,220 is: 43,389,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214,470 : 19,995,220 = 19,995,220 : x
  2. Step 2: Convert to fraction form
    9,214,470/19,995,220 = 19,995,220/x
  3. Step 3: Cross multiply
    9,214,470x = 19,995,220 × 19,995,220
  4. Step 4: Simplify right side
    9,214,470x = 399,808,822,848,400
  5. Step 5: Solve for x
    x = 399,808,822,848,400/9,214,470
  6. Step 6: Final answer
    x = 43,389,237.02

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