Home / 406,260-865,008

Finding the Third Proportional to 406,260 and 865,008

Calculator

Solution

The third proportional to 406,260 and 865,008 is: 1,841,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,260 : 865,008 = 865,008 : x
  2. Step 2: Convert to fraction form
    406,260/865,008 = 865,008/x
  3. Step 3: Cross multiply
    406,260x = 865,008 × 865,008
  4. Step 4: Simplify right side
    406,260x = 748,238,840,064
  5. Step 5: Solve for x
    x = 748,238,840,064/406,260
  6. Step 6: Final answer
    x = 1,841,773.35

Related Problems

Find third proportional to 203,130 and 432,504
Half scale
Find third proportional to 812,520 and 1,730,016
Double scale
Find third proportional to 406,262 and 865,012
Similar ratio
Find third proportional to 609,390 and 1,297,512
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.