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Finding the Third Proportional to 55,722,240 and 84,426,048

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Solution

The third proportional to 55,722,240 and 84,426,048 is: 127,915,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722,240 : 84,426,048 = 84,426,048 : x
  2. Step 2: Convert to fraction form
    55,722,240/84,426,048 = 84,426,048/x
  3. Step 3: Cross multiply
    55,722,240x = 84,426,048 × 84,426,048
  4. Step 4: Simplify right side
    55,722,240x = 7,127,757,580,898,304
  5. Step 5: Solve for x
    x = 7,127,757,580,898,304/55,722,240
  6. Step 6: Final answer
    x = 127,915,847.98

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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.