Home / 208,508-345,113

Finding the Third Proportional to 208,508 and 345,113

Calculator

Solution

The third proportional to 208,508 and 345,113 is: 571,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,508 : 345,113 = 345,113 : x
  2. Step 2: Convert to fraction form
    208,508/345,113 = 345,113/x
  3. Step 3: Cross multiply
    208,508x = 345,113 × 345,113
  4. Step 4: Simplify right side
    208,508x = 119,102,982,769
  5. Step 5: Solve for x
    x = 119,102,982,769/208,508
  6. Step 6: Final answer
    x = 571,215.41

Related Problems

Find third proportional to 104,254 and 172,556.50
Half scale
Find third proportional to 417,016 and 690,226
Double scale
Find third proportional to 208,510 and 345,116
Similar ratio
Find third proportional to 312,762 and 517,669.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.