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Finding the Third Proportional to 148,813.88 and 320,955.75

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Solution

The third proportional to 148,813.88 and 320,955.75 is: 692,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,813.88 : 320,955.75 = 320,955.75 : x
  2. Step 2: Convert to fraction form
    148,813.88/320,955.75 = 320,955.75/x
  3. Step 3: Cross multiply
    148,813.88x = 320,955.75 × 320,955.75
  4. Step 4: Simplify right side
    148,813.88x = 103,012,593,458.06
  5. Step 5: Solve for x
    x = 103,012,593,458.06/148,813.88
  6. Step 6: Final answer
    x = 692,224.39

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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.