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Finding the Third Proportional to 9,090,153 and 19,890,702

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Solution

The third proportional to 9,090,153 and 19,890,702 is: 43,524,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090,153 : 19,890,702 = 19,890,702 : x
  2. Step 2: Convert to fraction form
    9,090,153/19,890,702 = 19,890,702/x
  3. Step 3: Cross multiply
    9,090,153x = 19,890,702 × 19,890,702
  4. Step 4: Simplify right side
    9,090,153x = 395,640,026,052,804
  5. Step 5: Solve for x
    x = 395,640,026,052,804/9,090,153
  6. Step 6: Final answer
    x = 43,524,022.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.