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Finding the Third Proportional to 156,180,857,648 and 219,937,063,172

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Solution

The third proportional to 156,180,857,648 and 219,937,063,172 is: 309,719,849,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,180,857,648 : 219,937,063,172 = 219,937,063,172 : x
  2. Step 2: Convert to fraction form
    156,180,857,648/219,937,063,172 = 219,937,063,172/x
  3. Step 3: Cross multiply
    156,180,857,648x = 219,937,063,172 × 219,937,063,172
  4. Step 4: Simplify right side
    156,180,857,648x = 48,372,311,756,724,315,881,472
  5. Step 5: Solve for x
    x = 48,372,311,756,724,315,881,472/156,180,857,648
  6. Step 6: Final answer
    x = 309,719,849,699.80

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.