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Finding the Third Proportional to 98,090 and 155,427

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Solution

The third proportional to 98,090 and 155,427 is: 246,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,090 : 155,427 = 155,427 : x
  2. Step 2: Convert to fraction form
    98,090/155,427 = 155,427/x
  3. Step 3: Cross multiply
    98,090x = 155,427 × 155,427
  4. Step 4: Simplify right side
    98,090x = 24,157,552,329
  5. Step 5: Solve for x
    x = 24,157,552,329/98,090
  6. Step 6: Final answer
    x = 246,279.46

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.