Home / 7,403,988-16,509,420

Finding the Third Proportional to 7,403,988 and 16,509,420

Calculator

Solution

The third proportional to 7,403,988 and 16,509,420 is: 36,812,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403,988 : 16,509,420 = 16,509,420 : x
  2. Step 2: Convert to fraction form
    7,403,988/16,509,420 = 16,509,420/x
  3. Step 3: Cross multiply
    7,403,988x = 16,509,420 × 16,509,420
  4. Step 4: Simplify right side
    7,403,988x = 272,560,948,736,400
  5. Step 5: Solve for x
    x = 272,560,948,736,400/7,403,988
  6. Step 6: Final answer
    x = 36,812,721.57

Related Problems

Find third proportional to 3,701,994 and 8,254,710
Half scale
Find third proportional to 14,807,976 and 33,018,840
Double scale
Find third proportional to 7,403,990 and 16,509,424
Similar ratio
Find third proportional to 11,105,982 and 24,764,130
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.