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Finding the Third Proportional to 109,312 and 160,080

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Solution

The third proportional to 109,312 and 160,080 is: 234,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,312 : 160,080 = 160,080 : x
  2. Step 2: Convert to fraction form
    109,312/160,080 = 160,080/x
  3. Step 3: Cross multiply
    109,312x = 160,080 × 160,080
  4. Step 4: Simplify right side
    109,312x = 25,625,606,400
  5. Step 5: Solve for x
    x = 25,625,606,400/109,312
  6. Step 6: Final answer
    x = 234,426.29

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.