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Finding the Third Proportional to 19,018,644 and 28,891,656

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Solution

The third proportional to 19,018,644 and 28,891,656 is: 43,889,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018,644 : 28,891,656 = 28,891,656 : x
  2. Step 2: Convert to fraction form
    19,018,644/28,891,656 = 28,891,656/x
  3. Step 3: Cross multiply
    19,018,644x = 28,891,656 × 28,891,656
  4. Step 4: Simplify right side
    19,018,644x = 834,727,786,422,336
  5. Step 5: Solve for x
    x = 834,727,786,422,336/19,018,644
  6. Step 6: Final answer
    x = 43,889,973.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.