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Finding the Third Proportional to 637,438.50 and 1,392,489

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Solution

The third proportional to 637,438.50 and 1,392,489 is: 3,041,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,438.50 : 1,392,489 = 1,392,489 : x
  2. Step 2: Convert to fraction form
    637,438.50/1,392,489 = 1,392,489/x
  3. Step 3: Cross multiply
    637,438.50x = 1,392,489 × 1,392,489
  4. Step 4: Simplify right side
    637,438.50x = 1,939,025,615,121
  5. Step 5: Solve for x
    x = 1,939,025,615,121/637,438.50
  6. Step 6: Final answer
    x = 3,041,902.26

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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.