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Finding the Third Proportional to 19,018,640 and 28,891,648

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Solution

The third proportional to 19,018,640 and 28,891,648 is: 43,889,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018,640 : 28,891,648 = 28,891,648 : x
  2. Step 2: Convert to fraction form
    19,018,640/28,891,648 = 28,891,648/x
  3. Step 3: Cross multiply
    19,018,640x = 28,891,648 × 28,891,648
  4. Step 4: Simplify right side
    19,018,640x = 834,727,324,155,904
  5. Step 5: Solve for x
    x = 834,727,324,155,904/19,018,640
  6. Step 6: Final answer
    x = 43,889,958.70

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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.