Home / 278,712-602,144

Finding the Third Proportional to 278,712 and 602,144

Calculator

Solution

The third proportional to 278,712 and 602,144 is: 1,300,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,712 : 602,144 = 602,144 : x
  2. Step 2: Convert to fraction form
    278,712/602,144 = 602,144/x
  3. Step 3: Cross multiply
    278,712x = 602,144 × 602,144
  4. Step 4: Simplify right side
    278,712x = 362,577,396,736
  5. Step 5: Solve for x
    x = 362,577,396,736/278,712
  6. Step 6: Final answer
    x = 1,300,903.43

Related Problems

Find third proportional to 139,356 and 301,072
Half scale
Find third proportional to 557,424 and 1,204,288
Double scale
Find third proportional to 278,714 and 602,148
Similar ratio
Find third proportional to 418,068 and 903,216
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.