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Finding the Third Proportional to 4,618,870 and 7,169,305

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Solution

The third proportional to 4,618,870 and 7,169,305 is: 11,128,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618,870 : 7,169,305 = 7,169,305 : x
  2. Step 2: Convert to fraction form
    4,618,870/7,169,305 = 7,169,305/x
  3. Step 3: Cross multiply
    4,618,870x = 7,169,305 × 7,169,305
  4. Step 4: Simplify right side
    4,618,870x = 51,398,934,183,025
  5. Step 5: Solve for x
    x = 51,398,934,183,025/4,618,870
  6. Step 6: Final answer
    x = 11,128,032.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.