Home / 301,374-455,118

Finding the Third Proportional to 301,374 and 455,118

Calculator

Solution

The third proportional to 301,374 and 455,118 is: 687,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,374 : 455,118 = 455,118 : x
  2. Step 2: Convert to fraction form
    301,374/455,118 = 455,118/x
  3. Step 3: Cross multiply
    301,374x = 455,118 × 455,118
  4. Step 4: Simplify right side
    301,374x = 207,132,393,924
  5. Step 5: Solve for x
    x = 207,132,393,924/301,374
  6. Step 6: Final answer
    x = 687,293.51

Related Problems

Find third proportional to 150,687 and 227,559
Half scale
Find third proportional to 602,748 and 910,236
Double scale
Find third proportional to 301,376 and 455,121
Similar ratio
Find third proportional to 452,061 and 682,677
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.