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Finding the Third Proportional to 339,430.50 and 702,337.50

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Solution

The third proportional to 339,430.50 and 702,337.50 is: 1,453,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,430.50 : 702,337.50 = 702,337.50 : x
  2. Step 2: Convert to fraction form
    339,430.50/702,337.50 = 702,337.50/x
  3. Step 3: Cross multiply
    339,430.50x = 702,337.50 × 702,337.50
  4. Step 4: Simplify right side
    339,430.50x = 493,277,963,906.25
  5. Step 5: Solve for x
    x = 493,277,963,906.25/339,430.50
  6. Step 6: Final answer
    x = 1,453,251.74

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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.