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Finding the Third Proportional to 20,770.45 and 45,300.45

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Solution

The third proportional to 20,770.45 and 45,300.45 is: 98,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,770.45 : 45,300.45 = 45,300.45 : x
  2. Step 2: Convert to fraction form
    20,770.45/45,300.45 = 45,300.45/x
  3. Step 3: Cross multiply
    20,770.45x = 45,300.45 × 45,300.45
  4. Step 4: Simplify right side
    20,770.45x = 2,052,130,345.51
  5. Step 5: Solve for x
    x = 2,052,130,345.51/20,770.45
  6. Step 6: Final answer
    x = 98,800.46

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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.