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Finding the Third Proportional to 195,583.50 and 428,534.50

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Solution

The third proportional to 195,583.50 and 428,534.50 is: 938,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,583.50 : 428,534.50 = 428,534.50 : x
  2. Step 2: Convert to fraction form
    195,583.50/428,534.50 = 428,534.50/x
  3. Step 3: Cross multiply
    195,583.50x = 428,534.50 × 428,534.50
  4. Step 4: Simplify right side
    195,583.50x = 183,641,817,690.25
  5. Step 5: Solve for x
    x = 183,641,817,690.25/195,583.50
  6. Step 6: Final answer
    x = 938,943.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.