Home / 579,842-877,784

Finding the Third Proportional to 579,842 and 877,784

Calculator

Solution

The third proportional to 579,842 and 877,784 is: 1,328,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,842 : 877,784 = 877,784 : x
  2. Step 2: Convert to fraction form
    579,842/877,784 = 877,784/x
  3. Step 3: Cross multiply
    579,842x = 877,784 × 877,784
  4. Step 4: Simplify right side
    579,842x = 770,504,750,656
  5. Step 5: Solve for x
    x = 770,504,750,656/579,842
  6. Step 6: Final answer
    x = 1,328,818.46

Related Problems

Find third proportional to 289,921 and 438,892
Half scale
Find third proportional to 1,159,684 and 1,755,568
Double scale
Find third proportional to 579,844 and 877,787
Similar ratio
Find third proportional to 869,763 and 1,316,676
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.