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Finding the Third Proportional to 8,821,274.63 and 18,994,206.38

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Solution

The third proportional to 8,821,274.63 and 18,994,206.38 is: 40,898,837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821,274.63 : 18,994,206.38 = 18,994,206.38 : x
  2. Step 2: Convert to fraction form
    8,821,274.63/18,994,206.38 = 18,994,206.38/x
  3. Step 3: Cross multiply
    8,821,274.63x = 18,994,206.38 × 18,994,206.38
  4. Step 4: Simplify right side
    8,821,274.63x = 360,779,875,816,090.62
  5. Step 5: Solve for x
    x = 360,779,875,816,090.62/8,821,274.63
  6. Step 6: Final answer
    x = 40,898,837.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.