Home / 97,520-145,640

Finding the Third Proportional to 97,520 and 145,640

Calculator

Solution

The third proportional to 97,520 and 145,640 is: 217,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,520 : 145,640 = 145,640 : x
  2. Step 2: Convert to fraction form
    97,520/145,640 = 145,640/x
  3. Step 3: Cross multiply
    97,520x = 145,640 × 145,640
  4. Step 4: Simplify right side
    97,520x = 21,211,009,600
  5. Step 5: Solve for x
    x = 21,211,009,600/97,520
  6. Step 6: Final answer
    x = 217,504.20

Related Problems

Find third proportional to 48,760 and 72,820
Half scale
Find third proportional to 195,040 and 291,280
Double scale
Find third proportional to 97,522 and 145,643
Similar ratio
Find third proportional to 146,280 and 218,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.