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Finding the Third Proportional to 343,998.75 and 505,887

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Solution

The third proportional to 343,998.75 and 505,887 is: 743,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,998.75 : 505,887 = 505,887 : x
  2. Step 2: Convert to fraction form
    343,998.75/505,887 = 505,887/x
  3. Step 3: Cross multiply
    343,998.75x = 505,887 × 505,887
  4. Step 4: Simplify right side
    343,998.75x = 255,921,656,769
  5. Step 5: Solve for x
    x = 255,921,656,769/343,998.75
  6. Step 6: Final answer
    x = 743,961.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.