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Finding the Third Proportional to 122,265 and 259,249.50

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Solution

The third proportional to 122,265 and 259,249.50 is: 549,710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,265 : 259,249.50 = 259,249.50 : x
  2. Step 2: Convert to fraction form
    122,265/259,249.50 = 259,249.50/x
  3. Step 3: Cross multiply
    122,265x = 259,249.50 × 259,249.50
  4. Step 4: Simplify right side
    122,265x = 67,210,303,250.25
  5. Step 5: Solve for x
    x = 67,210,303,250.25/122,265
  6. Step 6: Final answer
    x = 549,710.08

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.