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Finding the Third Proportional to 58,647,853 and 128,834,318

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Solution

The third proportional to 58,647,853 and 128,834,318 is: 283,016,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,647,853 : 128,834,318 = 128,834,318 : x
  2. Step 2: Convert to fraction form
    58,647,853/128,834,318 = 128,834,318/x
  3. Step 3: Cross multiply
    58,647,853x = 128,834,318 × 128,834,318
  4. Step 4: Simplify right side
    58,647,853x = 16,598,281,494,525,124
  5. Step 5: Solve for x
    x = 16,598,281,494,525,124/58,647,853
  6. Step 6: Final answer
    x = 283,016,012.45

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.