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Finding the Third Proportional to 989,380.13 and 1,567,911.38

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Solution

The third proportional to 989,380.13 and 1,567,911.38 is: 2,484,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,380.13 : 1,567,911.38 = 1,567,911.38 : x
  2. Step 2: Convert to fraction form
    989,380.13/1,567,911.38 = 1,567,911.38/x
  3. Step 3: Cross multiply
    989,380.13x = 1,567,911.38 × 1,567,911.38
  4. Step 4: Simplify right side
    989,380.13x = 2,458,346,079,854.39
  5. Step 5: Solve for x
    x = 2,458,346,079,854.39/989,380.13
  6. Step 6: Final answer
    x = 2,484,733.64

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.