Home / 164,148-257,130

Finding the Third Proportional to 164,148 and 257,130

Calculator

Solution

The third proportional to 164,148 and 257,130 is: 402,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,148 : 257,130 = 257,130 : x
  2. Step 2: Convert to fraction form
    164,148/257,130 = 257,130/x
  3. Step 3: Cross multiply
    164,148x = 257,130 × 257,130
  4. Step 4: Simplify right side
    164,148x = 66,115,836,900
  5. Step 5: Solve for x
    x = 66,115,836,900/164,148
  6. Step 6: Final answer
    x = 402,781.86

Related Problems

Find third proportional to 82,074 and 128,565
Half scale
Find third proportional to 328,296 and 514,260
Double scale
Find third proportional to 164,150 and 257,133
Similar ratio
Find third proportional to 246,222 and 385,695
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.