Home / 83,976-130,020.75

Finding the Third Proportional to 83,976 and 130,020.75

Calculator

Solution

The third proportional to 83,976 and 130,020.75 is: 201,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,976 : 130,020.75 = 130,020.75 : x
  2. Step 2: Convert to fraction form
    83,976/130,020.75 = 130,020.75/x
  3. Step 3: Cross multiply
    83,976x = 130,020.75 × 130,020.75
  4. Step 4: Simplify right side
    83,976x = 16,905,395,430.56
  5. Step 5: Solve for x
    x = 16,905,395,430.56/83,976
  6. Step 6: Final answer
    x = 201,312.23

Related Problems

Find third proportional to 41,988 and 65,010.38
Half scale
Find third proportional to 167,952 and 260,041.50
Double scale
Find third proportional to 83,978 and 130,024
Similar ratio
Find third proportional to 125,964 and 195,031.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.