Home / 145,160-212,772

Finding the Third Proportional to 145,160 and 212,772

Calculator

Solution

The third proportional to 145,160 and 212,772 is: 311,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,160 : 212,772 = 212,772 : x
  2. Step 2: Convert to fraction form
    145,160/212,772 = 212,772/x
  3. Step 3: Cross multiply
    145,160x = 212,772 × 212,772
  4. Step 4: Simplify right side
    145,160x = 45,271,923,984
  5. Step 5: Solve for x
    x = 45,271,923,984/145,160
  6. Step 6: Final answer
    x = 311,876.03

Related Problems

Find third proportional to 72,580 and 106,386
Half scale
Find third proportional to 290,320 and 425,544
Double scale
Find third proportional to 145,162 and 212,775
Similar ratio
Find third proportional to 217,740 and 319,158
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.