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Finding the Third Proportional to 18,466,761 and 28,326,036

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Solution

The third proportional to 18,466,761 and 28,326,036 is: 43,449,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466,761 : 28,326,036 = 28,326,036 : x
  2. Step 2: Convert to fraction form
    18,466,761/28,326,036 = 28,326,036/x
  3. Step 3: Cross multiply
    18,466,761x = 28,326,036 × 28,326,036
  4. Step 4: Simplify right side
    18,466,761x = 802,364,315,473,296
  5. Step 5: Solve for x
    x = 802,364,315,473,296/18,466,761
  6. Step 6: Final answer
    x = 43,449,109.21

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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.