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Finding the Third Proportional to 72,763,440 and 156,537,696

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Solution

The third proportional to 72,763,440 and 156,537,696 is: 336,763,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,763,440 : 156,537,696 = 156,537,696 : x
  2. Step 2: Convert to fraction form
    72,763,440/156,537,696 = 156,537,696/x
  3. Step 3: Cross multiply
    72,763,440x = 156,537,696 × 156,537,696
  4. Step 4: Simplify right side
    72,763,440x = 24,504,050,268,988,416
  5. Step 5: Solve for x
    x = 24,504,050,268,988,416/72,763,440
  6. Step 6: Final answer
    x = 336,763,218.85

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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.