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Finding the Third Proportional to 397,237.50 and 607,777.50

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Solution

The third proportional to 397,237.50 and 607,777.50 is: 929,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,237.50 : 607,777.50 = 607,777.50 : x
  2. Step 2: Convert to fraction form
    397,237.50/607,777.50 = 607,777.50/x
  3. Step 3: Cross multiply
    397,237.50x = 607,777.50 × 607,777.50
  4. Step 4: Simplify right side
    397,237.50x = 369,393,489,506.25
  5. Step 5: Solve for x
    x = 369,393,489,506.25/397,237.50
  6. Step 6: Final answer
    x = 929,905.89

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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.