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Finding the Third Proportional to 18,837,544 and 40,686,560

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Solution

The third proportional to 18,837,544 and 40,686,560 is: 87,877,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837,544 : 40,686,560 = 40,686,560 : x
  2. Step 2: Convert to fraction form
    18,837,544/40,686,560 = 40,686,560/x
  3. Step 3: Cross multiply
    18,837,544x = 40,686,560 × 40,686,560
  4. Step 4: Simplify right side
    18,837,544x = 1,655,396,164,633,600
  5. Step 5: Solve for x
    x = 1,655,396,164,633,600/18,837,544
  6. Step 6: Final answer
    x = 87,877,494.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.