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Finding the Third Proportional to 243,536 and 382,130

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Solution

The third proportional to 243,536 and 382,130 is: 599,596.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,536 : 382,130 = 382,130 : x
  2. Step 2: Convert to fraction form
    243,536/382,130 = 382,130/x
  3. Step 3: Cross multiply
    243,536x = 382,130 × 382,130
  4. Step 4: Simplify right side
    243,536x = 146,023,336,900
  5. Step 5: Solve for x
    x = 146,023,336,900/243,536
  6. Step 6: Final answer
    x = 599,596.52

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.