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Finding the Third Proportional to 8,624,242.13 and 18,998,426.81

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Solution

The third proportional to 8,624,242.13 and 18,998,426.81 is: 41,851,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624,242.13 : 18,998,426.81 = 18,998,426.81 : x
  2. Step 2: Convert to fraction form
    8,624,242.13/18,998,426.81 = 18,998,426.81/x
  3. Step 3: Cross multiply
    8,624,242.13x = 18,998,426.81 × 18,998,426.81
  4. Step 4: Simplify right side
    8,624,242.13x = 360,940,221,349,918.94
  5. Step 5: Solve for x
    x = 360,940,221,349,918.94/8,624,242.13
  6. Step 6: Final answer
    x = 41,851,819.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.