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Finding the Third Proportional to 8,145,855 and 12,294,533.81

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Solution

The third proportional to 8,145,855 and 12,294,533.81 is: 18,556,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,855 : 12,294,533.81 = 12,294,533.81 : x
  2. Step 2: Convert to fraction form
    8,145,855/12,294,533.81 = 12,294,533.81/x
  3. Step 3: Cross multiply
    8,145,855x = 12,294,533.81 × 12,294,533.81
  4. Step 4: Simplify right side
    8,145,855x = 151,155,561,666,705.78
  5. Step 5: Solve for x
    x = 151,155,561,666,705.78/8,145,855
  6. Step 6: Final answer
    x = 18,556,132.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.