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Finding the Third Proportional to 55,383,453 and 85,978,071

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Solution

The third proportional to 55,383,453 and 85,978,071 is: 133,473,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,383,453 : 85,978,071 = 85,978,071 : x
  2. Step 2: Convert to fraction form
    55,383,453/85,978,071 = 85,978,071/x
  3. Step 3: Cross multiply
    55,383,453x = 85,978,071 × 85,978,071
  4. Step 4: Simplify right side
    55,383,453x = 7,392,228,692,881,041
  5. Step 5: Solve for x
    x = 7,392,228,692,881,041/55,383,453
  6. Step 6: Final answer
    x = 133,473,597.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.