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Finding the Third Proportional to 118,490 and 259,941

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Solution

The third proportional to 118,490 and 259,941 is: 570,253.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,490 : 259,941 = 259,941 : x
  2. Step 2: Convert to fraction form
    118,490/259,941 = 259,941/x
  3. Step 3: Cross multiply
    118,490x = 259,941 × 259,941
  4. Step 4: Simplify right side
    118,490x = 67,569,323,481
  5. Step 5: Solve for x
    x = 67,569,323,481/118,490
  6. Step 6: Final answer
    x = 570,253.38

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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.