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Finding the Third Proportional to 72,510,107 and 115,005,531

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Solution

The third proportional to 72,510,107 and 115,005,531 is: 182,405,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,510,107 : 115,005,531 = 115,005,531 : x
  2. Step 2: Convert to fraction form
    72,510,107/115,005,531 = 115,005,531/x
  3. Step 3: Cross multiply
    72,510,107x = 115,005,531 × 115,005,531
  4. Step 4: Simplify right side
    72,510,107x = 13,226,272,160,591,960
  5. Step 5: Solve for x
    x = 13,226,272,160,591,960/72,510,107
  6. Step 6: Final answer
    x = 182,405,911.50

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.