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Finding the Third Proportional to 59,435,116 and 129,421,721

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Solution

The third proportional to 59,435,116 and 129,421,721 is: 281,819,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,435,116 : 129,421,721 = 129,421,721 : x
  2. Step 2: Convert to fraction form
    59,435,116/129,421,721 = 129,421,721/x
  3. Step 3: Cross multiply
    59,435,116x = 129,421,721 × 129,421,721
  4. Step 4: Simplify right side
    59,435,116x = 16,749,981,866,601,840
  5. Step 5: Solve for x
    x = 16,749,981,866,601,840/59,435,116
  6. Step 6: Final answer
    x = 281,819,621.02

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.