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Finding the Third Proportional to 131,180,357 and 287,072,841

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Solution

The third proportional to 131,180,357 and 287,072,841 is: 628,225,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,180,357 : 287,072,841 = 287,072,841 : x
  2. Step 2: Convert to fraction form
    131,180,357/287,072,841 = 287,072,841/x
  3. Step 3: Cross multiply
    131,180,357x = 287,072,841 × 287,072,841
  4. Step 4: Simplify right side
    131,180,357x = 82,410,816,039,811,280
  5. Step 5: Solve for x
    x = 82,410,816,039,811,280/131,180,357
  6. Step 6: Final answer
    x = 628,225,276.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.