Home / 678,416-996,888

Finding the Third Proportional to 678,416 and 996,888

Calculator

Solution

The third proportional to 678,416 and 996,888 is: 1,464,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,416 : 996,888 = 996,888 : x
  2. Step 2: Convert to fraction form
    678,416/996,888 = 996,888/x
  3. Step 3: Cross multiply
    678,416x = 996,888 × 996,888
  4. Step 4: Simplify right side
    678,416x = 993,785,684,544
  5. Step 5: Solve for x
    x = 993,785,684,544/678,416
  6. Step 6: Final answer
    x = 1,464,861.80

Related Problems

Find third proportional to 339,208 and 498,444
Half scale
Find third proportional to 1,356,832 and 1,993,776
Double scale
Find third proportional to 678,418 and 996,891
Similar ratio
Find third proportional to 1,017,624 and 1,495,332
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.