Home / 238,620-514,620

Finding the Third Proportional to 238,620 and 514,620

Calculator

Solution

The third proportional to 238,620 and 514,620 is: 1,109,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,620 : 514,620 = 514,620 : x
  2. Step 2: Convert to fraction form
    238,620/514,620 = 514,620/x
  3. Step 3: Cross multiply
    238,620x = 514,620 × 514,620
  4. Step 4: Simplify right side
    238,620x = 264,833,744,400
  5. Step 5: Solve for x
    x = 264,833,744,400/238,620
  6. Step 6: Final answer
    x = 1,109,855.60

Related Problems

Find third proportional to 119,310 and 257,310
Half scale
Find third proportional to 477,240 and 1,029,240
Double scale
Find third proportional to 238,622 and 514,624
Similar ratio
Find third proportional to 357,930 and 771,930
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.