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Finding the Third Proportional to 79,050 and 121,492

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Solution

The third proportional to 79,050 and 121,492 is: 186,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,050 : 121,492 = 121,492 : x
  2. Step 2: Convert to fraction form
    79,050/121,492 = 121,492/x
  3. Step 3: Cross multiply
    79,050x = 121,492 × 121,492
  4. Step 4: Simplify right side
    79,050x = 14,760,306,064
  5. Step 5: Solve for x
    x = 14,760,306,064/79,050
  6. Step 6: Final answer
    x = 186,721.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.