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Finding the Third Proportional to 1,045,765.69 and 2,217,066.19

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Solution

The third proportional to 1,045,765.69 and 2,217,066.19 is: 4,700,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,765.69 : 2,217,066.19 = 2,217,066.19 : x
  2. Step 2: Convert to fraction form
    1,045,765.69/2,217,066.19 = 2,217,066.19/x
  3. Step 3: Cross multiply
    1,045,765.69x = 2,217,066.19 × 2,217,066.19
  4. Step 4: Simplify right side
    1,045,765.69x = 4,915,382,479,755.79
  5. Step 5: Solve for x
    x = 4,915,382,479,755.79/1,045,765.69
  6. Step 6: Final answer
    x = 4,700,271.33

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.