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Finding the Third Proportional to 288,323 and 430,097

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Solution

The third proportional to 288,323 and 430,097 is: 641,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,323 : 430,097 = 430,097 : x
  2. Step 2: Convert to fraction form
    288,323/430,097 = 430,097/x
  3. Step 3: Cross multiply
    288,323x = 430,097 × 430,097
  4. Step 4: Simplify right side
    288,323x = 184,983,429,409
  5. Step 5: Solve for x
    x = 184,983,429,409/288,323
  6. Step 6: Final answer
    x = 641,584.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.