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Finding the Third Proportional to 127,773,860 and 277,935,019

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Solution

The third proportional to 127,773,860 and 277,935,019 is: 604,567,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,773,860 : 277,935,019 = 277,935,019 : x
  2. Step 2: Convert to fraction form
    127,773,860/277,935,019 = 277,935,019/x
  3. Step 3: Cross multiply
    127,773,860x = 277,935,019 × 277,935,019
  4. Step 4: Simplify right side
    127,773,860x = 77,247,874,786,530,368
  5. Step 5: Solve for x
    x = 77,247,874,786,530,368/127,773,860
  6. Step 6: Final answer
    x = 604,567,121.84

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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.