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Finding the Third Proportional to 98,568 and 145,260

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Solution

The third proportional to 98,568 and 145,260 is: 214,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,568 : 145,260 = 145,260 : x
  2. Step 2: Convert to fraction form
    98,568/145,260 = 145,260/x
  3. Step 3: Cross multiply
    98,568x = 145,260 × 145,260
  4. Step 4: Simplify right side
    98,568x = 21,100,467,600
  5. Step 5: Solve for x
    x = 21,100,467,600/98,568
  6. Step 6: Final answer
    x = 214,070.16

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.