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Finding the Third Proportional to 221,422.50 and 458,602.50

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Solution

The third proportional to 221,422.50 and 458,602.50 is: 949,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,422.50 : 458,602.50 = 458,602.50 : x
  2. Step 2: Convert to fraction form
    221,422.50/458,602.50 = 458,602.50/x
  3. Step 3: Cross multiply
    221,422.50x = 458,602.50 × 458,602.50
  4. Step 4: Simplify right side
    221,422.50x = 210,316,253,006.25
  5. Step 5: Solve for x
    x = 210,316,253,006.25/221,422.50
  6. Step 6: Final answer
    x = 949,841.38

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.