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Finding the Third Proportional to 987,464.67 and 1,549,429.70

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Solution

The third proportional to 987,464.67 and 1,549,429.70 is: 2,431,208.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,464.67 : 1,549,429.70 = 1,549,429.70 : x
  2. Step 2: Convert to fraction form
    987,464.67/1,549,429.70 = 1,549,429.70/x
  3. Step 3: Cross multiply
    987,464.67x = 1,549,429.70 × 1,549,429.70
  4. Step 4: Simplify right side
    987,464.67x = 2,400,732,392,821.26
  5. Step 5: Solve for x
    x = 2,400,732,392,821.26/987,464.67
  6. Step 6: Final answer
    x = 2,431,208.39

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.