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Finding the Third Proportional to 817,463.58 and 1,909,356.09

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Solution

The third proportional to 817,463.58 and 1,909,356.09 is: 4,459,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,463.58 : 1,909,356.09 = 1,909,356.09 : x
  2. Step 2: Convert to fraction form
    817,463.58/1,909,356.09 = 1,909,356.09/x
  3. Step 3: Cross multiply
    817,463.58x = 1,909,356.09 × 1,909,356.09
  4. Step 4: Simplify right side
    817,463.58x = 3,645,640,692,740.26
  5. Step 5: Solve for x
    x = 3,645,640,692,740.26/817,463.58
  6. Step 6: Final answer
    x = 4,459,698.01

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.