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Finding the Third Proportional to 292,279,461 and 636,011,880

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Solution

The third proportional to 292,279,461 and 636,011,880 is: 1,383,987,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,279,461 : 636,011,880 = 636,011,880 : x
  2. Step 2: Convert to fraction form
    292,279,461/636,011,880 = 636,011,880/x
  3. Step 3: Cross multiply
    292,279,461x = 636,011,880 × 636,011,880
  4. Step 4: Simplify right side
    292,279,461x = 404,511,111,501,134,400
  5. Step 5: Solve for x
    x = 404,511,111,501,134,400/292,279,461
  6. Step 6: Final answer
    x = 1,383,987,469.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.