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Finding the Third Proportional to 9,254 and 19,985

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Solution

The third proportional to 9,254 and 19,985 is: 43,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,254 : 19,985 = 19,985 : x
  2. Step 2: Convert to fraction form
    9,254/19,985 = 19,985/x
  3. Step 3: Cross multiply
    9,254x = 19,985 × 19,985
  4. Step 4: Simplify right side
    9,254x = 399,400,225
  5. Step 5: Solve for x
    x = 399,400,225/9,254
  6. Step 6: Final answer
    x = 43,159.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.