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Finding the Third Proportional to 891,275 and 1,317,255.50

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Solution

The third proportional to 891,275 and 1,317,255.50 is: 1,946,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,275 : 1,317,255.50 = 1,317,255.50 : x
  2. Step 2: Convert to fraction form
    891,275/1,317,255.50 = 1,317,255.50/x
  3. Step 3: Cross multiply
    891,275x = 1,317,255.50 × 1,317,255.50
  4. Step 4: Simplify right side
    891,275x = 1,735,162,052,280.25
  5. Step 5: Solve for x
    x = 1,735,162,052,280.25/891,275
  6. Step 6: Final answer
    x = 1,946,831.28

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.