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Finding the Third Proportional to 8,386,865.63 and 18,343,993.88

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Solution

The third proportional to 8,386,865.63 and 18,343,993.88 is: 40,122,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386,865.63 : 18,343,993.88 = 18,343,993.88 : x
  2. Step 2: Convert to fraction form
    8,386,865.63/18,343,993.88 = 18,343,993.88/x
  3. Step 3: Cross multiply
    8,386,865.63x = 18,343,993.88 × 18,343,993.88
  4. Step 4: Simplify right side
    8,386,865.63x = 336,502,111,286,037.50
  5. Step 5: Solve for x
    x = 336,502,111,286,037.50/8,386,865.63
  6. Step 6: Final answer
    x = 40,122,511.36

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