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Finding the Third Proportional to 525,731.63 and 787,706.44

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Solution

The third proportional to 525,731.63 and 787,706.44 is: 1,180,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,731.63 : 787,706.44 = 787,706.44 : x
  2. Step 2: Convert to fraction form
    525,731.63/787,706.44 = 787,706.44/x
  3. Step 3: Cross multiply
    525,731.63x = 787,706.44 × 787,706.44
  4. Step 4: Simplify right side
    525,731.63x = 620,481,431,678.94
  5. Step 5: Solve for x
    x = 620,481,431,678.94/525,731.63
  6. Step 6: Final answer
    x = 1,180,224.67

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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.