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Finding the Third Proportional to 72,813,276 and 156,432,276

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Solution

The third proportional to 72,813,276 and 156,432,276 is: 336,079,604.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,813,276 : 156,432,276 = 156,432,276 : x
  2. Step 2: Convert to fraction form
    72,813,276/156,432,276 = 156,432,276/x
  3. Step 3: Cross multiply
    72,813,276x = 156,432,276 × 156,432,276
  4. Step 4: Simplify right side
    72,813,276x = 24,471,056,974,540,176
  5. Step 5: Solve for x
    x = 24,471,056,974,540,176/72,813,276
  6. Step 6: Final answer
    x = 336,079,604.14

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.