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Finding the Third Proportional to 554,969 and 751,989

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Solution

The third proportional to 554,969 and 751,989 is: 1,018,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,969 : 751,989 = 751,989 : x
  2. Step 2: Convert to fraction form
    554,969/751,989 = 751,989/x
  3. Step 3: Cross multiply
    554,969x = 751,989 × 751,989
  4. Step 4: Simplify right side
    554,969x = 565,487,456,121
  5. Step 5: Solve for x
    x = 565,487,456,121/554,969
  6. Step 6: Final answer
    x = 1,018,953.23

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.