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Finding the Third Proportional to 858,528 and 1,864,669

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Solution

The third proportional to 858,528 and 1,864,669 is: 4,049,944.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,528 : 1,864,669 = 1,864,669 : x
  2. Step 2: Convert to fraction form
    858,528/1,864,669 = 1,864,669/x
  3. Step 3: Cross multiply
    858,528x = 1,864,669 × 1,864,669
  4. Step 4: Simplify right side
    858,528x = 3,476,990,479,561
  5. Step 5: Solve for x
    x = 3,476,990,479,561/858,528
  6. Step 6: Final answer
    x = 4,049,944.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.