Home / 448,466-666,307

Finding the Third Proportional to 448,466 and 666,307

Calculator

Solution

The third proportional to 448,466 and 666,307 is: 989,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,466 : 666,307 = 666,307 : x
  2. Step 2: Convert to fraction form
    448,466/666,307 = 666,307/x
  3. Step 3: Cross multiply
    448,466x = 666,307 × 666,307
  4. Step 4: Simplify right side
    448,466x = 443,965,018,249
  5. Step 5: Solve for x
    x = 443,965,018,249/448,466
  6. Step 6: Final answer
    x = 989,963.61

Related Problems

Find third proportional to 224,233 and 333,153.50
Half scale
Find third proportional to 896,932 and 1,332,614
Double scale
Find third proportional to 448,468 and 666,310
Similar ratio
Find third proportional to 672,699 and 999,460.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.