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Finding the Third Proportional to 285,703.50 and 437,715

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Solution

The third proportional to 285,703.50 and 437,715 is: 670,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,703.50 : 437,715 = 437,715 : x
  2. Step 2: Convert to fraction form
    285,703.50/437,715 = 437,715/x
  3. Step 3: Cross multiply
    285,703.50x = 437,715 × 437,715
  4. Step 4: Simplify right side
    285,703.50x = 191,594,421,225
  5. Step 5: Solve for x
    x = 191,594,421,225/285,703.50
  6. Step 6: Final answer
    x = 670,605.79

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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.