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Finding the Third Proportional to 20,696.63 and 45,154.13

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Solution

The third proportional to 20,696.63 and 45,154.13 is: 98,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696.63 : 45,154.13 = 45,154.13 : x
  2. Step 2: Convert to fraction form
    20,696.63/45,154.13 = 45,154.13/x
  3. Step 3: Cross multiply
    20,696.63x = 45,154.13 × 45,154.13
  4. Step 4: Simplify right side
    20,696.63x = 2,038,895,004.52
  5. Step 5: Solve for x
    x = 2,038,895,004.52/20,696.63
  6. Step 6: Final answer
    x = 98,513.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.