Home / 342,980-753,840

Finding the Third Proportional to 342,980 and 753,840

Calculator

Solution

The third proportional to 342,980 and 753,840 is: 1,656,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,980 : 753,840 = 753,840 : x
  2. Step 2: Convert to fraction form
    342,980/753,840 = 753,840/x
  3. Step 3: Cross multiply
    342,980x = 753,840 × 753,840
  4. Step 4: Simplify right side
    342,980x = 568,274,745,600
  5. Step 5: Solve for x
    x = 568,274,745,600/342,980
  6. Step 6: Final answer
    x = 1,656,874.29

Related Problems

Find third proportional to 171,490 and 376,920
Half scale
Find third proportional to 685,960 and 1,507,680
Double scale
Find third proportional to 342,982 and 753,844
Similar ratio
Find third proportional to 514,470 and 1,130,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.