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Finding the Third Proportional to 113,490 and 246,640

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Solution

The third proportional to 113,490 and 246,640 is: 536,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,490 : 246,640 = 246,640 : x
  2. Step 2: Convert to fraction form
    113,490/246,640 = 246,640/x
  3. Step 3: Cross multiply
    113,490x = 246,640 × 246,640
  4. Step 4: Simplify right side
    113,490x = 60,831,289,600
  5. Step 5: Solve for x
    x = 60,831,289,600/113,490
  6. Step 6: Final answer
    x = 536,005.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.