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Finding the Third Proportional to 857,280 and 1,175,568.75

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Solution

The third proportional to 857,280 and 1,175,568.75 is: 1,612,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,280 : 1,175,568.75 = 1,175,568.75 : x
  2. Step 2: Convert to fraction form
    857,280/1,175,568.75 = 1,175,568.75/x
  3. Step 3: Cross multiply
    857,280x = 1,175,568.75 × 1,175,568.75
  4. Step 4: Simplify right side
    857,280x = 1,381,961,885,976.56
  5. Step 5: Solve for x
    x = 1,381,961,885,976.56/857,280
  6. Step 6: Final answer
    x = 1,612,030.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.