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Finding the Third Proportional to 855,807 and 1,332,784

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Solution

The third proportional to 855,807 and 1,332,784 is: 2,075,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,807 : 1,332,784 = 1,332,784 : x
  2. Step 2: Convert to fraction form
    855,807/1,332,784 = 1,332,784/x
  3. Step 3: Cross multiply
    855,807x = 1,332,784 × 1,332,784
  4. Step 4: Simplify right side
    855,807x = 1,776,313,190,656
  5. Step 5: Solve for x
    x = 1,776,313,190,656/855,807
  6. Step 6: Final answer
    x = 2,075,600.21

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.