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Finding the Third Proportional to 8,652,817 and 13,208,055

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Solution

The third proportional to 8,652,817 and 13,208,055 is: 20,161,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652,817 : 13,208,055 = 13,208,055 : x
  2. Step 2: Convert to fraction form
    8,652,817/13,208,055 = 13,208,055/x
  3. Step 3: Cross multiply
    8,652,817x = 13,208,055 × 13,208,055
  4. Step 4: Simplify right side
    8,652,817x = 174,452,716,883,025
  5. Step 5: Solve for x
    x = 174,452,716,883,025/8,652,817
  6. Step 6: Final answer
    x = 20,161,378.30

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.