Home / 148,248-317,407

Finding the Third Proportional to 148,248 and 317,407

Calculator

Solution

The third proportional to 148,248 and 317,407 is: 679,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,248 : 317,407 = 317,407 : x
  2. Step 2: Convert to fraction form
    148,248/317,407 = 317,407/x
  3. Step 3: Cross multiply
    148,248x = 317,407 × 317,407
  4. Step 4: Simplify right side
    148,248x = 100,747,203,649
  5. Step 5: Solve for x
    x = 100,747,203,649/148,248
  6. Step 6: Final answer
    x = 679,585.58

Related Problems

Find third proportional to 74,124 and 158,703.50
Half scale
Find third proportional to 296,496 and 634,814
Double scale
Find third proportional to 148,250 and 317,411
Similar ratio
Find third proportional to 222,372 and 476,110.50
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.