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Finding the Third Proportional to 750,921 and 1,555,043

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Solution

The third proportional to 750,921 and 1,555,043 is: 3,220,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,921 : 1,555,043 = 1,555,043 : x
  2. Step 2: Convert to fraction form
    750,921/1,555,043 = 1,555,043/x
  3. Step 3: Cross multiply
    750,921x = 1,555,043 × 1,555,043
  4. Step 4: Simplify right side
    750,921x = 2,418,158,731,849
  5. Step 5: Solve for x
    x = 2,418,158,731,849/750,921
  6. Step 6: Final answer
    x = 3,220,257.17

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.