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Finding the Third Proportional to 915,635.81 and 1,346,992.03

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Solution

The third proportional to 915,635.81 and 1,346,992.03 is: 1,981,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,635.81 : 1,346,992.03 = 1,346,992.03 : x
  2. Step 2: Convert to fraction form
    915,635.81/1,346,992.03 = 1,346,992.03/x
  3. Step 3: Cross multiply
    915,635.81x = 1,346,992.03 × 1,346,992.03
  4. Step 4: Simplify right side
    915,635.81x = 1,814,387,532,251.00
  5. Step 5: Solve for x
    x = 1,814,387,532,251.00/915,635.81
  6. Step 6: Final answer
    x = 1,981,560.25

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.