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Finding the Third Proportional to 28,690,910,440 and 45,003,494,508

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Solution

The third proportional to 28,690,910,440 and 45,003,494,508 is: 70,590,806,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690,910,440 : 45,003,494,508 = 45,003,494,508 : x
  2. Step 2: Convert to fraction form
    28,690,910,440/45,003,494,508 = 45,003,494,508/x
  3. Step 3: Cross multiply
    28,690,910,440x = 45,003,494,508 × 45,003,494,508
  4. Step 4: Simplify right side
    28,690,910,440x = 2,025,314,517,931,586,224,128
  5. Step 5: Solve for x
    x = 2,025,314,517,931,586,224,128/28,690,910,440
  6. Step 6: Final answer
    x = 70,590,806,874.78

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.