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Finding the Third Proportional to 388,453.50 and 847,516.50

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Solution

The third proportional to 388,453.50 and 847,516.50 is: 1,849,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,453.50 : 847,516.50 = 847,516.50 : x
  2. Step 2: Convert to fraction form
    388,453.50/847,516.50 = 847,516.50/x
  3. Step 3: Cross multiply
    388,453.50x = 847,516.50 × 847,516.50
  4. Step 4: Simplify right side
    388,453.50x = 718,284,217,772.25
  5. Step 5: Solve for x
    x = 718,284,217,772.25/388,453.50
  6. Step 6: Final answer
    x = 1,849,086.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.