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Finding the Third Proportional to 133,503,821 and 277,239,382

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Solution

The third proportional to 133,503,821 and 277,239,382 is: 575,726,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,503,821 : 277,239,382 = 277,239,382 : x
  2. Step 2: Convert to fraction form
    133,503,821/277,239,382 = 277,239,382/x
  3. Step 3: Cross multiply
    133,503,821x = 277,239,382 × 277,239,382
  4. Step 4: Simplify right side
    133,503,821x = 76,861,674,931,741,920
  5. Step 5: Solve for x
    x = 76,861,674,931,741,920/133,503,821
  6. Step 6: Final answer
    x = 575,726,405.10

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.