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Finding the Third Proportional to 275,244.75 and 425,392.50

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Solution

The third proportional to 275,244.75 and 425,392.50 is: 657,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,244.75 : 425,392.50 = 425,392.50 : x
  2. Step 2: Convert to fraction form
    275,244.75/425,392.50 = 425,392.50/x
  3. Step 3: Cross multiply
    275,244.75x = 425,392.50 × 425,392.50
  4. Step 4: Simplify right side
    275,244.75x = 180,958,779,056.25
  5. Step 5: Solve for x
    x = 180,958,779,056.25/275,244.75
  6. Step 6: Final answer
    x = 657,446.80

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.