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Finding the Third Proportional to 98,447.50 and 214,712.50

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Solution

The third proportional to 98,447.50 and 214,712.50 is: 468,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,447.50 : 214,712.50 = 214,712.50 : x
  2. Step 2: Convert to fraction form
    98,447.50/214,712.50 = 214,712.50/x
  3. Step 3: Cross multiply
    98,447.50x = 214,712.50 × 214,712.50
  4. Step 4: Simplify right side
    98,447.50x = 46,101,457,656.25
  5. Step 5: Solve for x
    x = 46,101,457,656.25/98,447.50
  6. Step 6: Final answer
    x = 468,284.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.