Home / 212,156,512.50-316,928,170.50

Finding the Third Proportional to 212,156,512.50 and 316,928,170.50

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Solution

The third proportional to 212,156,512.50 and 316,928,170.50 is: 473,440,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,156,512.50 : 316,928,170.50 = 316,928,170.50 : x
  2. Step 2: Convert to fraction form
    212,156,512.50/316,928,170.50 = 316,928,170.50/x
  3. Step 3: Cross multiply
    212,156,512.50x = 316,928,170.50 × 316,928,170.50
  4. Step 4: Simplify right side
    212,156,512.50x = 100,443,465,256,477,072
  5. Step 5: Solve for x
    x = 100,443,465,256,477,072/212,156,512.50
  6. Step 6: Final answer
    x = 473,440,405.26

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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.