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Finding the Third Proportional to 5,413,639.22 and 7,354,655.72

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Solution

The third proportional to 5,413,639.22 and 7,354,655.72 is: 9,991,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413,639.22 : 7,354,655.72 = 7,354,655.72 : x
  2. Step 2: Convert to fraction form
    5,413,639.22/7,354,655.72 = 7,354,655.72/x
  3. Step 3: Cross multiply
    5,413,639.22x = 7,354,655.72 × 7,354,655.72
  4. Step 4: Simplify right side
    5,413,639.22x = 54,090,960,741,342.08
  5. Step 5: Solve for x
    x = 54,090,960,741,342.08/5,413,639.22
  6. Step 6: Final answer
    x = 9,991,607.97

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.