Home / 19,428-45,618

Finding the Third Proportional to 19,428 and 45,618

Calculator

Solution

The third proportional to 19,428 and 45,618 is: 107,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428 : 45,618 = 45,618 : x
  2. Step 2: Convert to fraction form
    19,428/45,618 = 45,618/x
  3. Step 3: Cross multiply
    19,428x = 45,618 × 45,618
  4. Step 4: Simplify right side
    19,428x = 2,081,001,924
  5. Step 5: Solve for x
    x = 2,081,001,924/19,428
  6. Step 6: Final answer
    x = 107,113.54

Related Problems

Find third proportional to 9,714 and 22,809
Half scale
Find third proportional to 38,856 and 91,236
Double scale
Find third proportional to 19,430 and 45,623
Similar ratio
Find third proportional to 29,142 and 68,427
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.