Home / 353,280-765,276

Finding the Third Proportional to 353,280 and 765,276

Calculator

Solution

The third proportional to 353,280 and 765,276 is: 1,657,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,280 : 765,276 = 765,276 : x
  2. Step 2: Convert to fraction form
    353,280/765,276 = 765,276/x
  3. Step 3: Cross multiply
    353,280x = 765,276 × 765,276
  4. Step 4: Simplify right side
    353,280x = 585,647,356,176
  5. Step 5: Solve for x
    x = 585,647,356,176/353,280
  6. Step 6: Final answer
    x = 1,657,742.74

Related Problems

Find third proportional to 176,640 and 382,638
Half scale
Find third proportional to 706,560 and 1,530,552
Double scale
Find third proportional to 353,282 and 765,280
Similar ratio
Find third proportional to 529,920 and 1,147,914
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.