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Finding the Third Proportional to 53,611,809 and 117,055,278

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Solution

The third proportional to 53,611,809 and 117,055,278 is: 255,576,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,611,809 : 117,055,278 = 117,055,278 : x
  2. Step 2: Convert to fraction form
    53,611,809/117,055,278 = 117,055,278/x
  3. Step 3: Cross multiply
    53,611,809x = 117,055,278 × 117,055,278
  4. Step 4: Simplify right side
    53,611,809x = 13,701,938,107,657,284
  5. Step 5: Solve for x
    x = 13,701,938,107,657,284/53,611,809
  6. Step 6: Final answer
    x = 255,576,865.68

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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.