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Finding the Third Proportional to 242,419.50 and 528,903

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Solution

The third proportional to 242,419.50 and 528,903 is: 1,153,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,419.50 : 528,903 = 528,903 : x
  2. Step 2: Convert to fraction form
    242,419.50/528,903 = 528,903/x
  3. Step 3: Cross multiply
    242,419.50x = 528,903 × 528,903
  4. Step 4: Simplify right side
    242,419.50x = 279,738,383,409
  5. Step 5: Solve for x
    x = 279,738,383,409/242,419.50
  6. Step 6: Final answer
    x = 1,153,943.41

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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.