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Finding the Third Proportional to 428,892,318 and 936,438,272

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Solution

The third proportional to 428,892,318 and 936,438,272 is: 2,044,607,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,892,318 : 936,438,272 = 936,438,272 : x
  2. Step 2: Convert to fraction form
    428,892,318/936,438,272 = 936,438,272/x
  3. Step 3: Cross multiply
    428,892,318x = 936,438,272 × 936,438,272
  4. Step 4: Simplify right side
    428,892,318x = 876,916,637,266,345,984
  5. Step 5: Solve for x
    x = 876,916,637,266,345,984/428,892,318
  6. Step 6: Final answer
    x = 2,044,607,936.45

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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.