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Finding the Third Proportional to 193,068 and 425,430

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Solution

The third proportional to 193,068 and 425,430 is: 937,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,068 : 425,430 = 425,430 : x
  2. Step 2: Convert to fraction form
    193,068/425,430 = 425,430/x
  3. Step 3: Cross multiply
    193,068x = 425,430 × 425,430
  4. Step 4: Simplify right side
    193,068x = 180,990,684,900
  5. Step 5: Solve for x
    x = 180,990,684,900/193,068
  6. Step 6: Final answer
    x = 937,445.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.