Home / 148,208-319,580

Finding the Third Proportional to 148,208 and 319,580

Calculator

Solution

The third proportional to 148,208 and 319,580 is: 689,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,208 : 319,580 = 319,580 : x
  2. Step 2: Convert to fraction form
    148,208/319,580 = 319,580/x
  3. Step 3: Cross multiply
    148,208x = 319,580 × 319,580
  4. Step 4: Simplify right side
    148,208x = 102,131,376,400
  5. Step 5: Solve for x
    x = 102,131,376,400/148,208
  6. Step 6: Final answer
    x = 689,108.39

Related Problems

Find third proportional to 74,104 and 159,790
Half scale
Find third proportional to 296,416 and 639,160
Double scale
Find third proportional to 148,210 and 319,584
Similar ratio
Find third proportional to 222,312 and 479,370
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.