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Finding the Third Proportional to 525,100.50 and 787,488.75

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Solution

The third proportional to 525,100.50 and 787,488.75 is: 1,180,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,100.50 : 787,488.75 = 787,488.75 : x
  2. Step 2: Convert to fraction form
    525,100.50/787,488.75 = 787,488.75/x
  3. Step 3: Cross multiply
    525,100.50x = 787,488.75 × 787,488.75
  4. Step 4: Simplify right side
    525,100.50x = 620,138,531,376.56
  5. Step 5: Solve for x
    x = 620,138,531,376.56/525,100.50
  6. Step 6: Final answer
    x = 1,180,990.17

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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.