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Finding the Third Proportional to 1,356,518.81 and 2,099,487.94

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Solution

The third proportional to 1,356,518.81 and 2,099,487.94 is: 3,249,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,518.81 : 2,099,487.94 = 2,099,487.94 : x
  2. Step 2: Convert to fraction form
    1,356,518.81/2,099,487.94 = 2,099,487.94/x
  3. Step 3: Cross multiply
    1,356,518.81x = 2,099,487.94 × 2,099,487.94
  4. Step 4: Simplify right side
    1,356,518.81x = 4,407,849,599,708.00
  5. Step 5: Solve for x
    x = 4,407,849,599,708.00/1,356,518.81
  6. Step 6: Final answer
    x = 3,249,383.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.