Home / 641,138-996,680

Finding the Third Proportional to 641,138 and 996,680

Calculator

Solution

The third proportional to 641,138 and 996,680 is: 1,549,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,138 : 996,680 = 996,680 : x
  2. Step 2: Convert to fraction form
    641,138/996,680 = 996,680/x
  3. Step 3: Cross multiply
    641,138x = 996,680 × 996,680
  4. Step 4: Simplify right side
    641,138x = 993,371,022,400
  5. Step 5: Solve for x
    x = 993,371,022,400/641,138
  6. Step 6: Final answer
    x = 1,549,387.22

Related Problems

Find third proportional to 320,569 and 498,340
Half scale
Find third proportional to 1,282,276 and 1,993,360
Double scale
Find third proportional to 641,140 and 996,683
Similar ratio
Find third proportional to 961,707 and 1,495,020
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.