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Finding the Third Proportional to 196,943 and 429,532

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Solution

The third proportional to 196,943 and 429,532 is: 936,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,943 : 429,532 = 429,532 : x
  2. Step 2: Convert to fraction form
    196,943/429,532 = 429,532/x
  3. Step 3: Cross multiply
    196,943x = 429,532 × 429,532
  4. Step 4: Simplify right side
    196,943x = 184,497,739,024
  5. Step 5: Solve for x
    x = 184,497,739,024/196,943
  6. Step 6: Final answer
    x = 936,807.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.