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Finding the Third Proportional to 428,892,315 and 936,438,264

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Solution

The third proportional to 428,892,315 and 936,438,264 is: 2,044,607,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,892,315 : 936,438,264 = 936,438,264 : x
  2. Step 2: Convert to fraction form
    428,892,315/936,438,264 = 936,438,264/x
  3. Step 3: Cross multiply
    428,892,315x = 936,438,264 × 936,438,264
  4. Step 4: Simplify right side
    428,892,315x = 876,916,622,283,333,632
  5. Step 5: Solve for x
    x = 876,916,622,283,333,632/428,892,315
  6. Step 6: Final answer
    x = 2,044,607,915.82

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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.