Home / 153,774-206,910

Finding the Third Proportional to 153,774 and 206,910

Calculator

Solution

The third proportional to 153,774 and 206,910 is: 278,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,774 : 206,910 = 206,910 : x
  2. Step 2: Convert to fraction form
    153,774/206,910 = 206,910/x
  3. Step 3: Cross multiply
    153,774x = 206,910 × 206,910
  4. Step 4: Simplify right side
    153,774x = 42,811,748,100
  5. Step 5: Solve for x
    x = 42,811,748,100/153,774
  6. Step 6: Final answer
    x = 278,406.94

Related Problems

Find third proportional to 76,887 and 103,455
Half scale
Find third proportional to 307,548 and 413,820
Double scale
Find third proportional to 153,776 and 206,913
Similar ratio
Find third proportional to 230,661 and 310,365
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.