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Finding the Third Proportional to 357,222 and 770,531

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Solution

The third proportional to 357,222 and 770,531 is: 1,662,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,222 : 770,531 = 770,531 : x
  2. Step 2: Convert to fraction form
    357,222/770,531 = 770,531/x
  3. Step 3: Cross multiply
    357,222x = 770,531 × 770,531
  4. Step 4: Simplify right side
    357,222x = 593,718,021,961
  5. Step 5: Solve for x
    x = 593,718,021,961/357,222
  6. Step 6: Final answer
    x = 1,662,042.15

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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.