Home / 140,972-328,946

Finding the Third Proportional to 140,972 and 328,946

Calculator

Solution

The third proportional to 140,972 and 328,946 is: 767,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,972 : 328,946 = 328,946 : x
  2. Step 2: Convert to fraction form
    140,972/328,946 = 328,946/x
  3. Step 3: Cross multiply
    140,972x = 328,946 × 328,946
  4. Step 4: Simplify right side
    140,972x = 108,205,470,916
  5. Step 5: Solve for x
    x = 108,205,470,916/140,972
  6. Step 6: Final answer
    x = 767,567.11

Related Problems

Find third proportional to 70,486 and 164,473
Half scale
Find third proportional to 281,944 and 657,892
Double scale
Find third proportional to 140,974 and 328,951
Similar ratio
Find third proportional to 211,458 and 493,419
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.