Home / 253,215-400,964

Finding the Third Proportional to 253,215 and 400,964

Calculator

Solution

The third proportional to 253,215 and 400,964 is: 634,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,215 : 400,964 = 400,964 : x
  2. Step 2: Convert to fraction form
    253,215/400,964 = 400,964/x
  3. Step 3: Cross multiply
    253,215x = 400,964 × 400,964
  4. Step 4: Simplify right side
    253,215x = 160,772,129,296
  5. Step 5: Solve for x
    x = 160,772,129,296/253,215
  6. Step 6: Final answer
    x = 634,923.40

Related Problems

Find third proportional to 126,607.50 and 200,482
Half scale
Find third proportional to 506,430 and 801,928
Double scale
Find third proportional to 253,217 and 400,967
Similar ratio
Find third proportional to 379,822.50 and 601,446
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.