Home / 147,210-317,748

Finding the Third Proportional to 147,210 and 317,748

Calculator

Solution

The third proportional to 147,210 and 317,748 is: 685,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,210 : 317,748 = 317,748 : x
  2. Step 2: Convert to fraction form
    147,210/317,748 = 317,748/x
  3. Step 3: Cross multiply
    147,210x = 317,748 × 317,748
  4. Step 4: Simplify right side
    147,210x = 100,963,791,504
  5. Step 5: Solve for x
    x = 100,963,791,504/147,210
  6. Step 6: Final answer
    x = 685,848.73

Related Problems

Find third proportional to 73,605 and 158,874
Half scale
Find third proportional to 294,420 and 635,496
Double scale
Find third proportional to 147,212 and 317,752
Similar ratio
Find third proportional to 220,815 and 476,622
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.