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Finding the Third Proportional to 20,997,326.25 and 43,670,785.50

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Solution

The third proportional to 20,997,326.25 and 43,670,785.50 is: 90,827,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,326.25 : 43,670,785.50 = 43,670,785.50 : x
  2. Step 2: Convert to fraction form
    20,997,326.25/43,670,785.50 = 43,670,785.50/x
  3. Step 3: Cross multiply
    20,997,326.25x = 43,670,785.50 × 43,670,785.50
  4. Step 4: Simplify right side
    20,997,326.25x = 1,907,137,506,187,010.25
  5. Step 5: Solve for x
    x = 1,907,137,506,187,010.25/20,997,326.25
  6. Step 6: Final answer
    x = 90,827,636.03

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.