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Finding the Third Proportional to 664,807.50 and 997,008.75

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Solution

The third proportional to 664,807.50 and 997,008.75 is: 1,495,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,807.50 : 997,008.75 = 997,008.75 : x
  2. Step 2: Convert to fraction form
    664,807.50/997,008.75 = 997,008.75/x
  3. Step 3: Cross multiply
    664,807.50x = 997,008.75 × 997,008.75
  4. Step 4: Simplify right side
    664,807.50x = 994,026,447,576.56
  5. Step 5: Solve for x
    x = 994,026,447,576.56/664,807.50
  6. Step 6: Final answer
    x = 1,495,209.44

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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.