Home / 340,671-716,638

Finding the Third Proportional to 340,671 and 716,638

Calculator

Solution

The third proportional to 340,671 and 716,638 is: 1,507,524.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,671 : 716,638 = 716,638 : x
  2. Step 2: Convert to fraction form
    340,671/716,638 = 716,638/x
  3. Step 3: Cross multiply
    340,671x = 716,638 × 716,638
  4. Step 4: Simplify right side
    340,671x = 513,570,023,044
  5. Step 5: Solve for x
    x = 513,570,023,044/340,671
  6. Step 6: Final answer
    x = 1,507,524.92

Related Problems

Find third proportional to 170,335.50 and 358,319
Half scale
Find third proportional to 681,342 and 1,433,276
Double scale
Find third proportional to 340,673 and 716,642
Similar ratio
Find third proportional to 511,006.50 and 1,074,957
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.