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Finding the Third Proportional to 232,389 and 492,678

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Solution

The third proportional to 232,389 and 492,678 is: 1,044,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,389 : 492,678 = 492,678 : x
  2. Step 2: Convert to fraction form
    232,389/492,678 = 492,678/x
  3. Step 3: Cross multiply
    232,389x = 492,678 × 492,678
  4. Step 4: Simplify right side
    232,389x = 242,731,611,684
  5. Step 5: Solve for x
    x = 242,731,611,684/232,389
  6. Step 6: Final answer
    x = 1,044,505.60

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.