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Finding the Third Proportional to 8,642,448 and 18,840,000

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Solution

The third proportional to 8,642,448 and 18,840,000 is: 41,070,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,448 : 18,840,000 = 18,840,000 : x
  2. Step 2: Convert to fraction form
    8,642,448/18,840,000 = 18,840,000/x
  3. Step 3: Cross multiply
    8,642,448x = 18,840,000 × 18,840,000
  4. Step 4: Simplify right side
    8,642,448x = 354,945,600,000,000
  5. Step 5: Solve for x
    x = 354,945,600,000,000/8,642,448
  6. Step 6: Final answer
    x = 41,070,030.16

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.