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Finding the Third Proportional to 487,015.50 and 663,454.50

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Solution

The third proportional to 487,015.50 and 663,454.50 is: 903,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,015.50 : 663,454.50 = 663,454.50 : x
  2. Step 2: Convert to fraction form
    487,015.50/663,454.50 = 663,454.50/x
  3. Step 3: Cross multiply
    487,015.50x = 663,454.50 × 663,454.50
  4. Step 4: Simplify right side
    487,015.50x = 440,171,873,570.25
  5. Step 5: Solve for x
    x = 440,171,873,570.25/487,015.50
  6. Step 6: Final answer
    x = 903,814.92

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.