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Finding the Third Proportional to 223,239 and 345,226.50

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Solution

The third proportional to 223,239 and 345,226.50 is: 533,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,239 : 345,226.50 = 345,226.50 : x
  2. Step 2: Convert to fraction form
    223,239/345,226.50 = 345,226.50/x
  3. Step 3: Cross multiply
    223,239x = 345,226.50 × 345,226.50
  4. Step 4: Simplify right side
    223,239x = 119,181,336,302.25
  5. Step 5: Solve for x
    x = 119,181,336,302.25/223,239
  6. Step 6: Final answer
    x = 533,873.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.