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Finding the Third Proportional to 176,356 and 380,590

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Solution

The third proportional to 176,356 and 380,590 is: 821,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,356 : 380,590 = 380,590 : x
  2. Step 2: Convert to fraction form
    176,356/380,590 = 380,590/x
  3. Step 3: Cross multiply
    176,356x = 380,590 × 380,590
  4. Step 4: Simplify right side
    176,356x = 144,848,748,100
  5. Step 5: Solve for x
    x = 144,848,748,100/176,356
  6. Step 6: Final answer
    x = 821,342.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.