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Finding the Third Proportional to 218,097.50 and 469,603

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Solution

The third proportional to 218,097.50 and 469,603 is: 1,011,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,097.50 : 469,603 = 469,603 : x
  2. Step 2: Convert to fraction form
    218,097.50/469,603 = 469,603/x
  3. Step 3: Cross multiply
    218,097.50x = 469,603 × 469,603
  4. Step 4: Simplify right side
    218,097.50x = 220,526,977,609
  5. Step 5: Solve for x
    x = 220,526,977,609/218,097.50
  6. Step 6: Final answer
    x = 1,011,139.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.