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Finding the Third Proportional to 145,915.50 and 225,346.50

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Solution

The third proportional to 145,915.50 and 225,346.50 is: 348,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,915.50 : 225,346.50 = 225,346.50 : x
  2. Step 2: Convert to fraction form
    145,915.50/225,346.50 = 225,346.50/x
  3. Step 3: Cross multiply
    145,915.50x = 225,346.50 × 225,346.50
  4. Step 4: Simplify right side
    145,915.50x = 50,781,045,062.25
  5. Step 5: Solve for x
    x = 50,781,045,062.25/145,915.50
  6. Step 6: Final answer
    x = 348,016.80

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.