Home / 357,646-776,804

Finding the Third Proportional to 357,646 and 776,804

Calculator

Solution

The third proportional to 357,646 and 776,804 is: 1,687,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,646 : 776,804 = 776,804 : x
  2. Step 2: Convert to fraction form
    357,646/776,804 = 776,804/x
  3. Step 3: Cross multiply
    357,646x = 776,804 × 776,804
  4. Step 4: Simplify right side
    357,646x = 603,424,454,416
  5. Step 5: Solve for x
    x = 603,424,454,416/357,646
  6. Step 6: Final answer
    x = 1,687,211.53

Related Problems

Find third proportional to 178,823 and 388,402
Half scale
Find third proportional to 715,292 and 1,553,608
Double scale
Find third proportional to 357,648 and 776,808
Similar ratio
Find third proportional to 536,469 and 1,165,206
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.