Home / 407,124-860,178

Finding the Third Proportional to 407,124 and 860,178

Calculator

Solution

The third proportional to 407,124 and 860,178 is: 1,817,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,124 : 860,178 = 860,178 : x
  2. Step 2: Convert to fraction form
    407,124/860,178 = 860,178/x
  3. Step 3: Cross multiply
    407,124x = 860,178 × 860,178
  4. Step 4: Simplify right side
    407,124x = 739,906,191,684
  5. Step 5: Solve for x
    x = 739,906,191,684/407,124
  6. Step 6: Final answer
    x = 1,817,397.63

Related Problems

Find third proportional to 203,562 and 430,089
Half scale
Find third proportional to 814,248 and 1,720,356
Double scale
Find third proportional to 407,126 and 860,182
Similar ratio
Find third proportional to 610,686 and 1,290,267
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.