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Finding the Third Proportional to 18,065.63 and 27,802.88

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Solution

The third proportional to 18,065.63 and 27,802.88 is: 42,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.63 : 27,802.88 = 27,802.88 : x
  2. Step 2: Convert to fraction form
    18,065.63/27,802.88 = 27,802.88/x
  3. Step 3: Cross multiply
    18,065.63x = 27,802.88 × 27,802.88
  4. Step 4: Simplify right side
    18,065.63x = 772,999,858.27
  5. Step 5: Solve for x
    x = 772,999,858.27/18,065.63
  6. Step 6: Final answer
    x = 42,788.44

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1.5x scale

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.