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Finding the Third Proportional to 58,409,520 and 90,800,136

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Solution

The third proportional to 58,409,520 and 90,800,136 is: 141,152,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,409,520 : 90,800,136 = 90,800,136 : x
  2. Step 2: Convert to fraction form
    58,409,520/90,800,136 = 90,800,136/x
  3. Step 3: Cross multiply
    58,409,520x = 90,800,136 × 90,800,136
  4. Step 4: Simplify right side
    58,409,520x = 8,244,664,697,618,496
  5. Step 5: Solve for x
    x = 8,244,664,697,618,496/58,409,520
  6. Step 6: Final answer
    x = 141,152,755.54

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.