Home / 340,638-740,748

Finding the Third Proportional to 340,638 and 740,748

Calculator

Solution

The third proportional to 340,638 and 740,748 is: 1,610,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,638 : 740,748 = 740,748 : x
  2. Step 2: Convert to fraction form
    340,638/740,748 = 740,748/x
  3. Step 3: Cross multiply
    340,638x = 740,748 × 740,748
  4. Step 4: Simplify right side
    340,638x = 548,707,599,504
  5. Step 5: Solve for x
    x = 548,707,599,504/340,638
  6. Step 6: Final answer
    x = 1,610,823.22

Related Problems

Find third proportional to 170,319 and 370,374
Half scale
Find third proportional to 681,276 and 1,481,496
Double scale
Find third proportional to 340,640 and 740,752
Similar ratio
Find third proportional to 510,957 and 1,111,122
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.