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Finding the Third Proportional to 5,090,561.44 and 7,120,699.88

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Solution

The third proportional to 5,090,561.44 and 7,120,699.88 is: 9,960,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,561.44 : 7,120,699.88 = 7,120,699.88 : x
  2. Step 2: Convert to fraction form
    5,090,561.44/7,120,699.88 = 7,120,699.88/x
  3. Step 3: Cross multiply
    5,090,561.44x = 7,120,699.88 × 7,120,699.88
  4. Step 4: Simplify right side
    5,090,561.44x = 50,704,366,709,825.02
  5. Step 5: Solve for x
    x = 50,704,366,709,825.02/5,090,561.44
  6. Step 6: Final answer
    x = 9,960,466.51

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.