Home / 317,516-681,072

Finding the Third Proportional to 317,516 and 681,072

Calculator

Solution

The third proportional to 317,516 and 681,072 is: 1,460,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,516 : 681,072 = 681,072 : x
  2. Step 2: Convert to fraction form
    317,516/681,072 = 681,072/x
  3. Step 3: Cross multiply
    317,516x = 681,072 × 681,072
  4. Step 4: Simplify right side
    317,516x = 463,859,069,184
  5. Step 5: Solve for x
    x = 463,859,069,184/317,516
  6. Step 6: Final answer
    x = 1,460,899.83

Related Problems

Find third proportional to 158,758 and 340,536
Half scale
Find third proportional to 635,032 and 1,362,144
Double scale
Find third proportional to 317,518 and 681,076
Similar ratio
Find third proportional to 476,274 and 1,021,608
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.