Home / 163,912-253,146

Finding the Third Proportional to 163,912 and 253,146

Calculator

Solution

The third proportional to 163,912 and 253,146 is: 390,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,912 : 253,146 = 253,146 : x
  2. Step 2: Convert to fraction form
    163,912/253,146 = 253,146/x
  3. Step 3: Cross multiply
    163,912x = 253,146 × 253,146
  4. Step 4: Simplify right side
    163,912x = 64,082,897,316
  5. Step 5: Solve for x
    x = 64,082,897,316/163,912
  6. Step 6: Final answer
    x = 390,959.16

Related Problems

Find third proportional to 81,956 and 126,573
Half scale
Find third proportional to 327,824 and 506,292
Double scale
Find third proportional to 163,914 and 253,149
Similar ratio
Find third proportional to 245,868 and 379,719
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.