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Finding the Third Proportional to 158,342,780 and 245,176,126

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Solution

The third proportional to 158,342,780 and 245,176,126 is: 379,627,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,342,780 : 245,176,126 = 245,176,126 : x
  2. Step 2: Convert to fraction form
    158,342,780/245,176,126 = 245,176,126/x
  3. Step 3: Cross multiply
    158,342,780x = 245,176,126 × 245,176,126
  4. Step 4: Simplify right side
    158,342,780x = 60,111,332,760,367,872
  5. Step 5: Solve for x
    x = 60,111,332,760,367,872/158,342,780
  6. Step 6: Final answer
    x = 379,627,872.90

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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.