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Finding the Third Proportional to 10,818,560.81 and 16,805,208.38

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Solution

The third proportional to 10,818,560.81 and 16,805,208.38 is: 26,104,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818,560.81 : 16,805,208.38 = 16,805,208.38 : x
  2. Step 2: Convert to fraction form
    10,818,560.81/16,805,208.38 = 16,805,208.38/x
  3. Step 3: Cross multiply
    10,818,560.81x = 16,805,208.38 × 16,805,208.38
  4. Step 4: Simplify right side
    10,818,560.81x = 282,415,028,527,170.12
  5. Step 5: Solve for x
    x = 282,415,028,527,170.12/10,818,560.81
  6. Step 6: Final answer
    x = 26,104,676.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.