Home / 210,804-308,319

Finding the Third Proportional to 210,804 and 308,319

Calculator

Solution

The third proportional to 210,804 and 308,319 is: 450,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,804 : 308,319 = 308,319 : x
  2. Step 2: Convert to fraction form
    210,804/308,319 = 308,319/x
  3. Step 3: Cross multiply
    210,804x = 308,319 × 308,319
  4. Step 4: Simplify right side
    210,804x = 95,060,605,761
  5. Step 5: Solve for x
    x = 95,060,605,761/210,804
  6. Step 6: Final answer
    x = 450,943.08

Related Problems

Find third proportional to 105,402 and 154,159.50
Half scale
Find third proportional to 421,608 and 616,638
Double scale
Find third proportional to 210,806 and 308,322
Similar ratio
Find third proportional to 316,206 and 462,478.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.