Home / 319,920-740,632

Finding the Third Proportional to 319,920 and 740,632

Calculator

Solution

The third proportional to 319,920 and 740,632 is: 1,714,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,920 : 740,632 = 740,632 : x
  2. Step 2: Convert to fraction form
    319,920/740,632 = 740,632/x
  3. Step 3: Cross multiply
    319,920x = 740,632 × 740,632
  4. Step 4: Simplify right side
    319,920x = 548,535,759,424
  5. Step 5: Solve for x
    x = 548,535,759,424/319,920
  6. Step 6: Final answer
    x = 1,714,602.90

Related Problems

Find third proportional to 159,960 and 370,316
Half scale
Find third proportional to 639,840 and 1,481,264
Double scale
Find third proportional to 319,922 and 740,637
Similar ratio
Find third proportional to 479,880 and 1,110,948
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.