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Finding the Third Proportional to 151,348.50 and 312,539.25

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Solution

The third proportional to 151,348.50 and 312,539.25 is: 645,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,348.50 : 312,539.25 = 312,539.25 : x
  2. Step 2: Convert to fraction form
    151,348.50/312,539.25 = 312,539.25/x
  3. Step 3: Cross multiply
    151,348.50x = 312,539.25 × 312,539.25
  4. Step 4: Simplify right side
    151,348.50x = 97,680,782,790.56
  5. Step 5: Solve for x
    x = 97,680,782,790.56/151,348.50
  6. Step 6: Final answer
    x = 645,403.05

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.