Home / 418,978-904,356

Finding the Third Proportional to 418,978 and 904,356

Calculator

Solution

The third proportional to 418,978 and 904,356 is: 1,952,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,978 : 904,356 = 904,356 : x
  2. Step 2: Convert to fraction form
    418,978/904,356 = 904,356/x
  3. Step 3: Cross multiply
    418,978x = 904,356 × 904,356
  4. Step 4: Simplify right side
    418,978x = 817,859,774,736
  5. Step 5: Solve for x
    x = 817,859,774,736/418,978
  6. Step 6: Final answer
    x = 1,952,035.13

Related Problems

Find third proportional to 209,489 and 452,178
Half scale
Find third proportional to 837,956 and 1,808,712
Double scale
Find third proportional to 418,980 and 904,360
Similar ratio
Find third proportional to 628,467 and 1,356,534
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.