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Finding the Third Proportional to 631,393.88 and 1,385,027.25

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Solution

The third proportional to 631,393.88 and 1,385,027.25 is: 3,038,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,393.88 : 1,385,027.25 = 1,385,027.25 : x
  2. Step 2: Convert to fraction form
    631,393.88/1,385,027.25 = 1,385,027.25/x
  3. Step 3: Cross multiply
    631,393.88x = 1,385,027.25 × 1,385,027.25
  4. Step 4: Simplify right side
    631,393.88x = 1,918,300,483,242.56
  5. Step 5: Solve for x
    x = 1,918,300,483,242.56/631,393.88
  6. Step 6: Final answer
    x = 3,038,199.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.