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Finding the Third Proportional to 19,869,057 and 43,987,455

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Solution

The third proportional to 19,869,057 and 43,987,455 is: 97,382,386.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869,057 : 43,987,455 = 43,987,455 : x
  2. Step 2: Convert to fraction form
    19,869,057/43,987,455 = 43,987,455/x
  3. Step 3: Cross multiply
    19,869,057x = 43,987,455 × 43,987,455
  4. Step 4: Simplify right side
    19,869,057x = 1,934,896,197,377,025
  5. Step 5: Solve for x
    x = 1,934,896,197,377,025/19,869,057
  6. Step 6: Final answer
    x = 97,382,386.96

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.