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Finding the Third Proportional to 30,827,712.80 and 64,205,786.53

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Solution

The third proportional to 30,827,712.80 and 64,205,786.53 is: 133,723,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,827,712.80 : 64,205,786.53 = 64,205,786.53 : x
  2. Step 2: Convert to fraction form
    30,827,712.80/64,205,786.53 = 64,205,786.53/x
  3. Step 3: Cross multiply
    30,827,712.80x = 64,205,786.53 × 64,205,786.53
  4. Step 4: Simplify right side
    30,827,712.80x = 4,122,383,024,096,444
  5. Step 5: Solve for x
    x = 4,122,383,024,096,444/30,827,712.80
  6. Step 6: Final answer
    x = 133,723,285.00

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.