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Finding the Third Proportional to 132,670,278 and 287,071,884

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Solution

The third proportional to 132,670,278 and 287,071,884 is: 621,166,005.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,670,278 : 287,071,884 = 287,071,884 : x
  2. Step 2: Convert to fraction form
    132,670,278/287,071,884 = 287,071,884/x
  3. Step 3: Cross multiply
    132,670,278x = 287,071,884 × 287,071,884
  4. Step 4: Simplify right side
    132,670,278x = 82,410,266,583,309,456
  5. Step 5: Solve for x
    x = 82,410,266,583,309,456/132,670,278
  6. Step 6: Final answer
    x = 621,166,005.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.