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Finding the Third Proportional to 8,686,105.50 and 18,802,023

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Solution

The third proportional to 8,686,105.50 and 18,802,023 is: 40,699,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,105.50 : 18,802,023 = 18,802,023 : x
  2. Step 2: Convert to fraction form
    8,686,105.50/18,802,023 = 18,802,023/x
  3. Step 3: Cross multiply
    8,686,105.50x = 18,802,023 × 18,802,023
  4. Step 4: Simplify right side
    8,686,105.50x = 353,516,068,892,529
  5. Step 5: Solve for x
    x = 353,516,068,892,529/8,686,105.50
  6. Step 6: Final answer
    x = 40,699,030.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.