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Finding the Third Proportional to 55,722,144 and 84,425,952

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Solution

The third proportional to 55,722,144 and 84,425,952 is: 127,915,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722,144 : 84,425,952 = 84,425,952 : x
  2. Step 2: Convert to fraction form
    55,722,144/84,425,952 = 84,425,952/x
  3. Step 3: Cross multiply
    55,722,144x = 84,425,952 × 84,425,952
  4. Step 4: Simplify right side
    55,722,144x = 7,127,741,371,106,304
  5. Step 5: Solve for x
    x = 7,127,741,371,106,304/55,722,144
  6. Step 6: Final answer
    x = 127,915,777.45

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.