Home / 138,422,862-298,731,816

Finding the Third Proportional to 138,422,862 and 298,731,816

Calculator

Solution

The third proportional to 138,422,862 and 298,731,816 is: 644,696,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,422,862 : 298,731,816 = 298,731,816 : x
  2. Step 2: Convert to fraction form
    138,422,862/298,731,816 = 298,731,816/x
  3. Step 3: Cross multiply
    138,422,862x = 298,731,816 × 298,731,816
  4. Step 4: Simplify right side
    138,422,862x = 89,240,697,890,657,856
  5. Step 5: Solve for x
    x = 89,240,697,890,657,856/138,422,862
  6. Step 6: Final answer
    x = 644,696,234.43

Related Problems

Find third proportional to 69,211,431 and 149,365,908
Half scale
Find third proportional to 276,845,724 and 597,463,632
Double scale
Find third proportional to 138,422,864 and 298,731,820
Similar ratio
Find third proportional to 207,634,293 and 448,097,724
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.