Home / 188,478-406,480.13

Finding the Third Proportional to 188,478 and 406,480.13

Calculator

Solution

The third proportional to 188,478 and 406,480.13 is: 876,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,478 : 406,480.13 = 406,480.13 : x
  2. Step 2: Convert to fraction form
    188,478/406,480.13 = 406,480.13/x
  3. Step 3: Cross multiply
    188,478x = 406,480.13 × 406,480.13
  4. Step 4: Simplify right side
    188,478x = 165,226,092,020.02
  5. Step 5: Solve for x
    x = 165,226,092,020.02/188,478
  6. Step 6: Final answer
    x = 876,633.30

Related Problems

Find third proportional to 94,239 and 203,240.06
Half scale
Find third proportional to 376,956 and 812,960.25
Double scale
Find third proportional to 188,480 and 406,484
Similar ratio
Find third proportional to 282,717 and 609,720.19
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.