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Finding the Third Proportional to 873,607 and 1,281,372

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Solution

The third proportional to 873,607 and 1,281,372 is: 1,879,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,607 : 1,281,372 = 1,281,372 : x
  2. Step 2: Convert to fraction form
    873,607/1,281,372 = 1,281,372/x
  3. Step 3: Cross multiply
    873,607x = 1,281,372 × 1,281,372
  4. Step 4: Simplify right side
    873,607x = 1,641,914,202,384
  5. Step 5: Solve for x
    x = 1,641,914,202,384/873,607
  6. Step 6: Final answer
    x = 1,879,465.48

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.