Home / 136,816,225.75-212,027,480.25

Finding the Third Proportional to 136,816,225.75 and 212,027,480.25

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Solution

The third proportional to 136,816,225.75 and 212,027,480.25 is: 328,584,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,816,225.75 : 212,027,480.25 = 212,027,480.25 : x
  2. Step 2: Convert to fraction form
    136,816,225.75/212,027,480.25 = 212,027,480.25/x
  3. Step 3: Cross multiply
    136,816,225.75x = 212,027,480.25 × 212,027,480.25
  4. Step 4: Simplify right side
    136,816,225.75x = 44,955,652,381,164,144
  5. Step 5: Solve for x
    x = 44,955,652,381,164,144/136,816,225.75
  6. Step 6: Final answer
    x = 328,584,216.78

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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.