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Finding the Third Proportional to 554,890.50 and 830,817

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Solution

The third proportional to 554,890.50 and 830,817 is: 1,243,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,890.50 : 830,817 = 830,817 : x
  2. Step 2: Convert to fraction form
    554,890.50/830,817 = 830,817/x
  3. Step 3: Cross multiply
    554,890.50x = 830,817 × 830,817
  4. Step 4: Simplify right side
    554,890.50x = 690,256,887,489
  5. Step 5: Solve for x
    x = 690,256,887,489/554,890.50
  6. Step 6: Final answer
    x = 1,243,951.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.