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Finding the Third Proportional to 18,901,728 and 41,224,428

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Solution

The third proportional to 18,901,728 and 41,224,428 is: 89,909,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901,728 : 41,224,428 = 41,224,428 : x
  2. Step 2: Convert to fraction form
    18,901,728/41,224,428 = 41,224,428/x
  3. Step 3: Cross multiply
    18,901,728x = 41,224,428 × 41,224,428
  4. Step 4: Simplify right side
    18,901,728x = 1,699,453,463,927,184
  5. Step 5: Solve for x
    x = 1,699,453,463,927,184/18,901,728
  6. Step 6: Final answer
    x = 89,909,952.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.