Home / 416,978-910,432

Finding the Third Proportional to 416,978 and 910,432

Calculator

Solution

The third proportional to 416,978 and 910,432 is: 1,987,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,978 : 910,432 = 910,432 : x
  2. Step 2: Convert to fraction form
    416,978/910,432 = 910,432/x
  3. Step 3: Cross multiply
    416,978x = 910,432 × 910,432
  4. Step 4: Simplify right side
    416,978x = 828,886,426,624
  5. Step 5: Solve for x
    x = 828,886,426,624/416,978
  6. Step 6: Final answer
    x = 1,987,842.11

Related Problems

Find third proportional to 208,489 and 455,216
Half scale
Find third proportional to 833,956 and 1,820,864
Double scale
Find third proportional to 416,980 and 910,436
Similar ratio
Find third proportional to 625,467 and 1,365,648
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.