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Finding the Third Proportional to 108,047,638 and 236,586,981

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Solution

The third proportional to 108,047,638 and 236,586,981 is: 518,043,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,047,638 : 236,586,981 = 236,586,981 : x
  2. Step 2: Convert to fraction form
    108,047,638/236,586,981 = 236,586,981/x
  3. Step 3: Cross multiply
    108,047,638x = 236,586,981 × 236,586,981
  4. Step 4: Simplify right side
    108,047,638x = 55,973,399,578,694,360
  5. Step 5: Solve for x
    x = 55,973,399,578,694,360/108,047,638
  6. Step 6: Final answer
    x = 518,043,713.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.