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Finding the Third Proportional to 157,515 and 236,209.50

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Solution

The third proportional to 157,515 and 236,209.50 is: 354,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,515 : 236,209.50 = 236,209.50 : x
  2. Step 2: Convert to fraction form
    157,515/236,209.50 = 236,209.50/x
  3. Step 3: Cross multiply
    157,515x = 236,209.50 × 236,209.50
  4. Step 4: Simplify right side
    157,515x = 55,794,927,890.25
  5. Step 5: Solve for x
    x = 55,794,927,890.25/157,515
  6. Step 6: Final answer
    x = 354,219.78

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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.