Home / 81,211,700-175,367,132

Finding the Third Proportional to 81,211,700 and 175,367,132

Calculator

Solution

The third proportional to 81,211,700 and 175,367,132 is: 378,684,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,211,700 : 175,367,132 = 175,367,132 : x
  2. Step 2: Convert to fraction form
    81,211,700/175,367,132 = 175,367,132/x
  3. Step 3: Cross multiply
    81,211,700x = 175,367,132 × 175,367,132
  4. Step 4: Simplify right side
    81,211,700x = 30,753,630,985,905,424
  5. Step 5: Solve for x
    x = 30,753,630,985,905,424/81,211,700
  6. Step 6: Final answer
    x = 378,684,733.68

Related Problems

Find third proportional to 40,605,850 and 87,683,566
Half scale
Find third proportional to 162,423,400 and 350,734,264
Double scale
Find third proportional to 81,211,702 and 175,367,136
Similar ratio
Find third proportional to 121,817,550 and 263,050,698
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.