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Finding the Third Proportional to 109,154 and 163,056

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Solution

The third proportional to 109,154 and 163,056 is: 243,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,154 : 163,056 = 163,056 : x
  2. Step 2: Convert to fraction form
    109,154/163,056 = 163,056/x
  3. Step 3: Cross multiply
    109,154x = 163,056 × 163,056
  4. Step 4: Simplify right side
    109,154x = 26,587,259,136
  5. Step 5: Solve for x
    x = 26,587,259,136/109,154
  6. Step 6: Final answer
    x = 243,575.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.