Home / 356,864-784,702

Finding the Third Proportional to 356,864 and 784,702

Calculator

Solution

The third proportional to 356,864 and 784,702 is: 1,725,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,864 : 784,702 = 784,702 : x
  2. Step 2: Convert to fraction form
    356,864/784,702 = 784,702/x
  3. Step 3: Cross multiply
    356,864x = 784,702 × 784,702
  4. Step 4: Simplify right side
    356,864x = 615,757,228,804
  5. Step 5: Solve for x
    x = 615,757,228,804/356,864
  6. Step 6: Final answer
    x = 1,725,467.49

Related Problems

Find third proportional to 178,432 and 392,351
Half scale
Find third proportional to 713,728 and 1,569,404
Double scale
Find third proportional to 356,866 and 784,706
Similar ratio
Find third proportional to 535,296 and 1,177,053
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.