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Finding the Third Proportional to 446,222 and 679,792

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Solution

The third proportional to 446,222 and 679,792 is: 1,035,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,222 : 679,792 = 679,792 : x
  2. Step 2: Convert to fraction form
    446,222/679,792 = 679,792/x
  3. Step 3: Cross multiply
    446,222x = 679,792 × 679,792
  4. Step 4: Simplify right side
    446,222x = 462,117,163,264
  5. Step 5: Solve for x
    x = 462,117,163,264/446,222
  6. Step 6: Final answer
    x = 1,035,621.65

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.