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Finding the Third Proportional to 8,505,488 and 18,664,352

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Solution

The third proportional to 8,505,488 and 18,664,352 is: 40,956,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505,488 : 18,664,352 = 18,664,352 : x
  2. Step 2: Convert to fraction form
    8,505,488/18,664,352 = 18,664,352/x
  3. Step 3: Cross multiply
    8,505,488x = 18,664,352 × 18,664,352
  4. Step 4: Simplify right side
    8,505,488x = 348,358,035,579,904
  5. Step 5: Solve for x
    x = 348,358,035,579,904/8,505,488
  6. Step 6: Final answer
    x = 40,956,854.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.