Home / 355,646-772,344

Finding the Third Proportional to 355,646 and 772,344

Calculator

Solution

The third proportional to 355,646 and 772,344 is: 1,677,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,646 : 772,344 = 772,344 : x
  2. Step 2: Convert to fraction form
    355,646/772,344 = 772,344/x
  3. Step 3: Cross multiply
    355,646x = 772,344 × 772,344
  4. Step 4: Simplify right side
    355,646x = 596,515,254,336
  5. Step 5: Solve for x
    x = 596,515,254,336/355,646
  6. Step 6: Final answer
    x = 1,677,272.50

Related Problems

Find third proportional to 177,823 and 386,172
Half scale
Find third proportional to 711,292 and 1,544,688
Double scale
Find third proportional to 355,648 and 772,348
Similar ratio
Find third proportional to 533,469 and 1,158,516
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.