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Finding the Third Proportional to 98,610 and 154,485

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Solution

The third proportional to 98,610 and 154,485 is: 242,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,610 : 154,485 = 154,485 : x
  2. Step 2: Convert to fraction form
    98,610/154,485 = 154,485/x
  3. Step 3: Cross multiply
    98,610x = 154,485 × 154,485
  4. Step 4: Simplify right side
    98,610x = 23,865,615,225
  5. Step 5: Solve for x
    x = 23,865,615,225/98,610
  6. Step 6: Final answer
    x = 242,020.23

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.