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Finding the Third Proportional to 10,116.14 and 15,315.33

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Solution

The third proportional to 10,116.14 and 15,315.33 is: 23,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.14 : 15,315.33 = 15,315.33 : x
  2. Step 2: Convert to fraction form
    10,116.14/15,315.33 = 15,315.33/x
  3. Step 3: Cross multiply
    10,116.14x = 15,315.33 × 15,315.33
  4. Step 4: Simplify right side
    10,116.14x = 234,559,275.58
  5. Step 5: Solve for x
    x = 234,559,275.58/10,116.14
  6. Step 6: Final answer
    x = 23,186.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.