Home / 187,080-397,530

Finding the Third Proportional to 187,080 and 397,530

Calculator

Solution

The third proportional to 187,080 and 397,530 is: 844,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,080 : 397,530 = 397,530 : x
  2. Step 2: Convert to fraction form
    187,080/397,530 = 397,530/x
  3. Step 3: Cross multiply
    187,080x = 397,530 × 397,530
  4. Step 4: Simplify right side
    187,080x = 158,030,100,900
  5. Step 5: Solve for x
    x = 158,030,100,900/187,080
  6. Step 6: Final answer
    x = 844,719.38

Related Problems

Find third proportional to 93,540 and 198,765
Half scale
Find third proportional to 374,160 and 795,060
Double scale
Find third proportional to 187,082 and 397,534
Similar ratio
Find third proportional to 280,620 and 596,295
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.