Home / 385,877-827,128

Finding the Third Proportional to 385,877 and 827,128

Calculator

Solution

The third proportional to 385,877 and 827,128 is: 1,772,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,877 : 827,128 = 827,128 : x
  2. Step 2: Convert to fraction form
    385,877/827,128 = 827,128/x
  3. Step 3: Cross multiply
    385,877x = 827,128 × 827,128
  4. Step 4: Simplify right side
    385,877x = 684,140,728,384
  5. Step 5: Solve for x
    x = 684,140,728,384/385,877
  6. Step 6: Final answer
    x = 1,772,950.26

Related Problems

Find third proportional to 192,938.50 and 413,564
Half scale
Find third proportional to 771,754 and 1,654,256
Double scale
Find third proportional to 385,879 and 827,132
Similar ratio
Find third proportional to 578,815.50 and 1,240,692
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.