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Finding the Third Proportional to 141,205 and 275,315

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Solution

The third proportional to 141,205 and 275,315 is: 536,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,205 : 275,315 = 275,315 : x
  2. Step 2: Convert to fraction form
    141,205/275,315 = 275,315/x
  3. Step 3: Cross multiply
    141,205x = 275,315 × 275,315
  4. Step 4: Simplify right side
    141,205x = 75,798,349,225
  5. Step 5: Solve for x
    x = 75,798,349,225/141,205
  6. Step 6: Final answer
    x = 536,796.50

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.