Home / 178,856-388,773.75

Finding the Third Proportional to 178,856 and 388,773.75

Calculator

Solution

The third proportional to 178,856 and 388,773.75 is: 845,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,856 : 388,773.75 = 388,773.75 : x
  2. Step 2: Convert to fraction form
    178,856/388,773.75 = 388,773.75/x
  3. Step 3: Cross multiply
    178,856x = 388,773.75 × 388,773.75
  4. Step 4: Simplify right side
    178,856x = 151,145,028,689.06
  5. Step 5: Solve for x
    x = 151,145,028,689.06/178,856
  6. Step 6: Final answer
    x = 845,065.46

Related Problems

Find third proportional to 89,428 and 194,386.88
Half scale
Find third proportional to 357,712 and 777,547.50
Double scale
Find third proportional to 178,858 and 388,778
Similar ratio
Find third proportional to 268,284 and 583,160.63
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.