Home / 310,209-497,708

Finding the Third Proportional to 310,209 and 497,708

Calculator

Solution

The third proportional to 310,209 and 497,708 is: 798,536.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,209 : 497,708 = 497,708 : x
  2. Step 2: Convert to fraction form
    310,209/497,708 = 497,708/x
  3. Step 3: Cross multiply
    310,209x = 497,708 × 497,708
  4. Step 4: Simplify right side
    310,209x = 247,713,253,264
  5. Step 5: Solve for x
    x = 247,713,253,264/310,209
  6. Step 6: Final answer
    x = 798,536.64

Related Problems

Find third proportional to 155,104.50 and 248,854
Half scale
Find third proportional to 620,418 and 995,416
Double scale
Find third proportional to 310,211 and 497,711
Similar ratio
Find third proportional to 465,313.50 and 746,562
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.