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Finding the Third Proportional to 21,795 and 34,530.50

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Solution

The third proportional to 21,795 and 34,530.50 is: 54,707.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795 : 34,530.50 = 34,530.50 : x
  2. Step 2: Convert to fraction form
    21,795/34,530.50 = 34,530.50/x
  3. Step 3: Cross multiply
    21,795x = 34,530.50 × 34,530.50
  4. Step 4: Simplify right side
    21,795x = 1,192,355,430.25
  5. Step 5: Solve for x
    x = 1,192,355,430.25/21,795
  6. Step 6: Final answer
    x = 54,707.75

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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.