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Finding the Third Proportional to 196,184 and 310,860

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Solution

The third proportional to 196,184 and 310,860 is: 492,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,184 : 310,860 = 310,860 : x
  2. Step 2: Convert to fraction form
    196,184/310,860 = 310,860/x
  3. Step 3: Cross multiply
    196,184x = 310,860 × 310,860
  4. Step 4: Simplify right side
    196,184x = 96,633,939,600
  5. Step 5: Solve for x
    x = 96,633,939,600/196,184
  6. Step 6: Final answer
    x = 492,567.89

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.