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Finding the Third Proportional to 155,990 and 241,335

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Solution

The third proportional to 155,990 and 241,335 is: 373,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,990 : 241,335 = 241,335 : x
  2. Step 2: Convert to fraction form
    155,990/241,335 = 241,335/x
  3. Step 3: Cross multiply
    155,990x = 241,335 × 241,335
  4. Step 4: Simplify right side
    155,990x = 58,242,582,225
  5. Step 5: Solve for x
    x = 58,242,582,225/155,990
  6. Step 6: Final answer
    x = 373,373.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.