Home / 319,708-700,328

Finding the Third Proportional to 319,708 and 700,328

Calculator

Solution

The third proportional to 319,708 and 700,328 is: 1,534,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,708 : 700,328 = 700,328 : x
  2. Step 2: Convert to fraction form
    319,708/700,328 = 700,328/x
  3. Step 3: Cross multiply
    319,708x = 700,328 × 700,328
  4. Step 4: Simplify right side
    319,708x = 490,459,307,584
  5. Step 5: Solve for x
    x = 490,459,307,584/319,708
  6. Step 6: Final answer
    x = 1,534,085.19

Related Problems

Find third proportional to 159,854 and 350,164
Half scale
Find third proportional to 639,416 and 1,400,656
Double scale
Find third proportional to 319,710 and 700,332
Similar ratio
Find third proportional to 479,562 and 1,050,492
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.