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Finding the Third Proportional to 285,313.50 and 435,584.25

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Solution

The third proportional to 285,313.50 and 435,584.25 is: 665,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,313.50 : 435,584.25 = 435,584.25 : x
  2. Step 2: Convert to fraction form
    285,313.50/435,584.25 = 435,584.25/x
  3. Step 3: Cross multiply
    285,313.50x = 435,584.25 × 435,584.25
  4. Step 4: Simplify right side
    285,313.50x = 189,733,638,848.06
  5. Step 5: Solve for x
    x = 189,733,638,848.06/285,313.50
  6. Step 6: Final answer
    x = 665,000.57

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.