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Finding the Third Proportional to 59,854,300 and 128,659,472

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Solution

The third proportional to 59,854,300 and 128,659,472 is: 276,559,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,854,300 : 128,659,472 = 128,659,472 : x
  2. Step 2: Convert to fraction form
    59,854,300/128,659,472 = 128,659,472/x
  3. Step 3: Cross multiply
    59,854,300x = 128,659,472 × 128,659,472
  4. Step 4: Simplify right side
    59,854,300x = 16,553,259,735,318,784
  5. Step 5: Solve for x
    x = 16,553,259,735,318,784/59,854,300
  6. Step 6: Final answer
    x = 276,559,240.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.