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Finding the Third Proportional to 55,374,660 and 120,713,292

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Solution

The third proportional to 55,374,660 and 120,713,292 is: 263,147,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374,660 : 120,713,292 = 120,713,292 : x
  2. Step 2: Convert to fraction form
    55,374,660/120,713,292 = 120,713,292/x
  3. Step 3: Cross multiply
    55,374,660x = 120,713,292 × 120,713,292
  4. Step 4: Simplify right side
    55,374,660x = 14,571,698,865,477,264
  5. Step 5: Solve for x
    x = 14,571,698,865,477,264/55,374,660
  6. Step 6: Final answer
    x = 263,147,419.15

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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.