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Finding the Third Proportional to 891,207 and 1,855,854

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Solution

The third proportional to 891,207 and 1,855,854 is: 3,864,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,207 : 1,855,854 = 1,855,854 : x
  2. Step 2: Convert to fraction form
    891,207/1,855,854 = 1,855,854/x
  3. Step 3: Cross multiply
    891,207x = 1,855,854 × 1,855,854
  4. Step 4: Simplify right side
    891,207x = 3,444,194,069,316
  5. Step 5: Solve for x
    x = 3,444,194,069,316/891,207
  6. Step 6: Final answer
    x = 3,864,639.83

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.