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Finding the Third Proportional to 155,539.50 and 233,430

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Solution

The third proportional to 155,539.50 and 233,430 is: 350,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,539.50 : 233,430 = 233,430 : x
  2. Step 2: Convert to fraction form
    155,539.50/233,430 = 233,430/x
  3. Step 3: Cross multiply
    155,539.50x = 233,430 × 233,430
  4. Step 4: Simplify right side
    155,539.50x = 54,489,564,900
  5. Step 5: Solve for x
    x = 54,489,564,900/155,539.50
  6. Step 6: Final answer
    x = 350,326.22

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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.