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Finding the Third Proportional to 218,017.50 and 467,557

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Solution

The third proportional to 218,017.50 and 467,557 is: 1,002,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,017.50 : 467,557 = 467,557 : x
  2. Step 2: Convert to fraction form
    218,017.50/467,557 = 467,557/x
  3. Step 3: Cross multiply
    218,017.50x = 467,557 × 467,557
  4. Step 4: Simplify right side
    218,017.50x = 218,609,548,249
  5. Step 5: Solve for x
    x = 218,609,548,249/218,017.50
  6. Step 6: Final answer
    x = 1,002,715.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.