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Finding the Third Proportional to 236,282 and 518,490

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Solution

The third proportional to 236,282 and 518,490 is: 1,137,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,282 : 518,490 = 518,490 : x
  2. Step 2: Convert to fraction form
    236,282/518,490 = 518,490/x
  3. Step 3: Cross multiply
    236,282x = 518,490 × 518,490
  4. Step 4: Simplify right side
    236,282x = 268,831,880,100
  5. Step 5: Solve for x
    x = 268,831,880,100/236,282
  6. Step 6: Final answer
    x = 1,137,758.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.