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Finding the Third Proportional to 275,040 and 437,642.25

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Solution

The third proportional to 275,040 and 437,642.25 is: 696,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,040 : 437,642.25 = 437,642.25 : x
  2. Step 2: Convert to fraction form
    275,040/437,642.25 = 437,642.25/x
  3. Step 3: Cross multiply
    275,040x = 437,642.25 × 437,642.25
  4. Step 4: Simplify right side
    275,040x = 191,530,738,985.06
  5. Step 5: Solve for x
    x = 191,530,738,985.06/275,040
  6. Step 6: Final answer
    x = 696,374.12

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.