Home / 865.69-1,970.58

Finding the Third Proportional to 865.69 and 1,970.58

Calculator

Solution

The third proportional to 865.69 and 1,970.58 is: 4,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    865.69 : 1,970.58 = 1,970.58 : x
  2. Step 2: Convert to fraction form
    865.69/1,970.58 = 1,970.58/x
  3. Step 3: Cross multiply
    865.69x = 1,970.58 × 1,970.58
  4. Step 4: Simplify right side
    865.69x = 3,883,178.15
  5. Step 5: Solve for x
    x = 3,883,178.15/865.69
  6. Step 6: Final answer
    x = 4,485.66

Related Problems

Find third proportional to 432.84 and 985.29
Half scale
Find third proportional to 1,731.38 and 3,941.16
Double scale
Find third proportional to 868 and 1,975
Similar ratio
Find third proportional to 1,298.53 and 2,955.87
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.