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Finding the Third Proportional to 1,201 and 1,755.50

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Solution

The third proportional to 1,201 and 1,755.50 is: 2,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201 : 1,755.50 = 1,755.50 : x
  2. Step 2: Convert to fraction form
    1,201/1,755.50 = 1,755.50/x
  3. Step 3: Cross multiply
    1,201x = 1,755.50 × 1,755.50
  4. Step 4: Simplify right side
    1,201x = 3,081,780.25
  5. Step 5: Solve for x
    x = 3,081,780.25/1,201
  6. Step 6: Final answer
    x = 2,566.01

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.