Home / 402,867-877,599

Finding the Third Proportional to 402,867 and 877,599

Calculator

Solution

The third proportional to 402,867 and 877,599 is: 1,911,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,867 : 877,599 = 877,599 : x
  2. Step 2: Convert to fraction form
    402,867/877,599 = 877,599/x
  3. Step 3: Cross multiply
    402,867x = 877,599 × 877,599
  4. Step 4: Simplify right side
    402,867x = 770,180,004,801
  5. Step 5: Solve for x
    x = 770,180,004,801/402,867
  6. Step 6: Final answer
    x = 1,911,747.56

Related Problems

Find third proportional to 201,433.50 and 438,799.50
Half scale
Find third proportional to 805,734 and 1,755,198
Double scale
Find third proportional to 402,869 and 877,603
Similar ratio
Find third proportional to 604,300.50 and 1,316,398.50
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.