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Finding the Third Proportional to 54,242,586 and 128,023,041

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Solution

The third proportional to 54,242,586 and 128,023,041 is: 302,159,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242,586 : 128,023,041 = 128,023,041 : x
  2. Step 2: Convert to fraction form
    54,242,586/128,023,041 = 128,023,041/x
  3. Step 3: Cross multiply
    54,242,586x = 128,023,041 × 128,023,041
  4. Step 4: Simplify right side
    54,242,586x = 16,389,899,026,887,680
  5. Step 5: Solve for x
    x = 16,389,899,026,887,680/54,242,586
  6. Step 6: Final answer
    x = 302,159,248.58

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.