Home / 286,958-628,472

Finding the Third Proportional to 286,958 and 628,472

Calculator

Solution

The third proportional to 286,958 and 628,472 is: 1,376,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,958 : 628,472 = 628,472 : x
  2. Step 2: Convert to fraction form
    286,958/628,472 = 628,472/x
  3. Step 3: Cross multiply
    286,958x = 628,472 × 628,472
  4. Step 4: Simplify right side
    286,958x = 394,977,054,784
  5. Step 5: Solve for x
    x = 394,977,054,784/286,958
  6. Step 6: Final answer
    x = 1,376,428.10

Related Problems

Find third proportional to 143,479 and 314,236
Half scale
Find third proportional to 573,916 and 1,256,944
Double scale
Find third proportional to 286,960 and 628,476
Similar ratio
Find third proportional to 430,437 and 942,708
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.