Home / 300,753,362-478,557,718

Finding the Third Proportional to 300,753,362 and 478,557,718

Calculator

Solution

The third proportional to 300,753,362 and 478,557,718 is: 761,479,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,753,362 : 478,557,718 = 478,557,718 : x
  2. Step 2: Convert to fraction form
    300,753,362/478,557,718 = 478,557,718/x
  3. Step 3: Cross multiply
    300,753,362x = 478,557,718 × 478,557,718
  4. Step 4: Simplify right side
    300,753,362x = 229,017,489,457,367,520
  5. Step 5: Solve for x
    x = 229,017,489,457,367,520/300,753,362
  6. Step 6: Final answer
    x = 761,479,399.38

Related Problems

Find third proportional to 150,376,681 and 239,278,859
Half scale
Find third proportional to 601,506,724 and 957,115,436
Double scale
Find third proportional to 300,753,364 and 478,557,721
Similar ratio
Find third proportional to 451,130,043 and 717,836,577
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.