Home / 401,654-877,828

Finding the Third Proportional to 401,654 and 877,828

Calculator

Solution

The third proportional to 401,654 and 877,828 is: 1,918,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,654 : 877,828 = 877,828 : x
  2. Step 2: Convert to fraction form
    401,654/877,828 = 877,828/x
  3. Step 3: Cross multiply
    401,654x = 877,828 × 877,828
  4. Step 4: Simplify right side
    401,654x = 770,581,997,584
  5. Step 5: Solve for x
    x = 770,581,997,584/401,654
  6. Step 6: Final answer
    x = 1,918,521.91

Related Problems

Find third proportional to 200,827 and 438,914
Half scale
Find third proportional to 803,308 and 1,755,656
Double scale
Find third proportional to 401,656 and 877,832
Similar ratio
Find third proportional to 602,481 and 1,316,742
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.