Home / 72,087,358-149,284,520

Finding the Third Proportional to 72,087,358 and 149,284,520

Calculator

Solution

The third proportional to 72,087,358 and 149,284,520 is: 309,150,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,087,358 : 149,284,520 = 149,284,520 : x
  2. Step 2: Convert to fraction form
    72,087,358/149,284,520 = 149,284,520/x
  3. Step 3: Cross multiply
    72,087,358x = 149,284,520 × 149,284,520
  4. Step 4: Simplify right side
    72,087,358x = 22,285,867,911,630,400
  5. Step 5: Solve for x
    x = 22,285,867,911,630,400/72,087,358
  6. Step 6: Final answer
    x = 309,150,848.77

Related Problems

Find third proportional to 36,043,679 and 74,642,260
Half scale
Find third proportional to 144,174,716 and 298,569,040
Double scale
Find third proportional to 72,087,360 and 149,284,524
Similar ratio
Find third proportional to 108,131,037 and 223,926,780
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.