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Finding the Third Proportional to 556,869 and 848,361

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Solution

The third proportional to 556,869 and 848,361 is: 1,292,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,869 : 848,361 = 848,361 : x
  2. Step 2: Convert to fraction form
    556,869/848,361 = 848,361/x
  3. Step 3: Cross multiply
    556,869x = 848,361 × 848,361
  4. Step 4: Simplify right side
    556,869x = 719,716,386,321
  5. Step 5: Solve for x
    x = 719,716,386,321/556,869
  6. Step 6: Final answer
    x = 1,292,433.92

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.