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Finding the Third Proportional to 1,930,164.19 and 4,178,035.69

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Solution

The third proportional to 1,930,164.19 and 4,178,035.69 is: 9,043,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,164.19 : 4,178,035.69 = 4,178,035.69 : x
  2. Step 2: Convert to fraction form
    1,930,164.19/4,178,035.69 = 4,178,035.69/x
  3. Step 3: Cross multiply
    1,930,164.19x = 4,178,035.69 × 4,178,035.69
  4. Step 4: Simplify right side
    1,930,164.19x = 17,455,982,206,023.60
  5. Step 5: Solve for x
    x = 17,455,982,206,023.60/1,930,164.19
  6. Step 6: Final answer
    x = 9,043,781.00

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.