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Finding the Third Proportional to 741,346 and 1,618,628

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Solution

The third proportional to 741,346 and 1,618,628 is: 3,534,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,346 : 1,618,628 = 1,618,628 : x
  2. Step 2: Convert to fraction form
    741,346/1,618,628 = 1,618,628/x
  3. Step 3: Cross multiply
    741,346x = 1,618,628 × 1,618,628
  4. Step 4: Simplify right side
    741,346x = 2,619,956,602,384
  5. Step 5: Solve for x
    x = 2,619,956,602,384/741,346
  6. Step 6: Final answer
    x = 3,534,053.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.