Home / 126,982,680-178,820,442

Finding the Third Proportional to 126,982,680 and 178,820,442

Calculator

Solution

The third proportional to 126,982,680 and 178,820,442 is: 251,819,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,982,680 : 178,820,442 = 178,820,442 : x
  2. Step 2: Convert to fraction form
    126,982,680/178,820,442 = 178,820,442/x
  3. Step 3: Cross multiply
    126,982,680x = 178,820,442 × 178,820,442
  4. Step 4: Simplify right side
    126,982,680x = 31,976,750,477,075,364
  5. Step 5: Solve for x
    x = 31,976,750,477,075,364/126,982,680
  6. Step 6: Final answer
    x = 251,819,779.49

Related Problems

Find third proportional to 63,491,340 and 89,410,221
Half scale
Find third proportional to 253,965,360 and 357,640,884
Double scale
Find third proportional to 126,982,682 and 178,820,445
Similar ratio
Find third proportional to 190,474,020 and 268,230,663
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.