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Finding the Third Proportional to 129,347,860 and 193,974,292

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Solution

The third proportional to 129,347,860 and 193,974,292 is: 290,890,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,347,860 : 193,974,292 = 193,974,292 : x
  2. Step 2: Convert to fraction form
    129,347,860/193,974,292 = 193,974,292/x
  3. Step 3: Cross multiply
    129,347,860x = 193,974,292 × 193,974,292
  4. Step 4: Simplify right side
    129,347,860x = 37,626,025,956,901,264
  5. Step 5: Solve for x
    x = 37,626,025,956,901,264/129,347,860
  6. Step 6: Final answer
    x = 290,890,208.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.