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Finding the Third Proportional to 173,400.75 and 368,955

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Solution

The third proportional to 173,400.75 and 368,955 is: 785,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,400.75 : 368,955 = 368,955 : x
  2. Step 2: Convert to fraction form
    173,400.75/368,955 = 368,955/x
  3. Step 3: Cross multiply
    173,400.75x = 368,955 × 368,955
  4. Step 4: Simplify right side
    173,400.75x = 136,127,792,025
  5. Step 5: Solve for x
    x = 136,127,792,025/173,400.75
  6. Step 6: Final answer
    x = 785,047.31

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.