Home / 196,376-420,528

Finding the Third Proportional to 196,376 and 420,528

Calculator

Solution

The third proportional to 196,376 and 420,528 is: 900,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,376 : 420,528 = 420,528 : x
  2. Step 2: Convert to fraction form
    196,376/420,528 = 420,528/x
  3. Step 3: Cross multiply
    196,376x = 420,528 × 420,528
  4. Step 4: Simplify right side
    196,376x = 176,843,798,784
  5. Step 5: Solve for x
    x = 176,843,798,784/196,376
  6. Step 6: Final answer
    x = 900,536.72

Related Problems

Find third proportional to 98,188 and 210,264
Half scale
Find third proportional to 392,752 and 841,056
Double scale
Find third proportional to 196,378 and 420,532
Similar ratio
Find third proportional to 294,564 and 630,792
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.