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Finding the Third Proportional to 126,956,955 and 178,783,368

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Solution

The third proportional to 126,956,955 and 178,783,368 is: 251,766,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,956,955 : 178,783,368 = 178,783,368 : x
  2. Step 2: Convert to fraction form
    126,956,955/178,783,368 = 178,783,368/x
  3. Step 3: Cross multiply
    126,956,955x = 178,783,368 × 178,783,368
  4. Step 4: Simplify right side
    126,956,955x = 31,963,492,673,423,424
  5. Step 5: Solve for x
    x = 31,963,492,673,423,424/126,956,955
  6. Step 6: Final answer
    x = 251,766,377.62

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.