Home / 129,548-281,888

Finding the Third Proportional to 129,548 and 281,888

Calculator

Solution

The third proportional to 129,548 and 281,888 is: 613,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,548 : 281,888 = 281,888 : x
  2. Step 2: Convert to fraction form
    129,548/281,888 = 281,888/x
  3. Step 3: Cross multiply
    129,548x = 281,888 × 281,888
  4. Step 4: Simplify right side
    129,548x = 79,460,844,544
  5. Step 5: Solve for x
    x = 79,460,844,544/129,548
  6. Step 6: Final answer
    x = 613,369.91

Related Problems

Find third proportional to 64,774 and 140,944
Half scale
Find third proportional to 259,096 and 563,776
Double scale
Find third proportional to 129,550 and 281,892
Similar ratio
Find third proportional to 194,322 and 422,832
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.