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Finding the Third Proportional to 912 and 2,392.50

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Solution

The third proportional to 912 and 2,392.50 is: 6,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    912 : 2,392.50 = 2,392.50 : x
  2. Step 2: Convert to fraction form
    912/2,392.50 = 2,392.50/x
  3. Step 3: Cross multiply
    912x = 2,392.50 × 2,392.50
  4. Step 4: Simplify right side
    912x = 5,724,056.25
  5. Step 5: Solve for x
    x = 5,724,056.25/912
  6. Step 6: Final answer
    x = 6,276.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.