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Finding the Third Proportional to 912,530.81 and 2,112,449.63

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Solution

The third proportional to 912,530.81 and 2,112,449.63 is: 4,890,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,530.81 : 2,112,449.63 = 2,112,449.63 : x
  2. Step 2: Convert to fraction form
    912,530.81/2,112,449.63 = 2,112,449.63/x
  3. Step 3: Cross multiply
    912,530.81x = 2,112,449.63 × 2,112,449.63
  4. Step 4: Simplify right side
    912,530.81x = 4,462,443,418,162.64
  5. Step 5: Solve for x
    x = 4,462,443,418,162.64/912,530.81
  6. Step 6: Final answer
    x = 4,890,183.82

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.