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Finding the Third Proportional to 87,645,196 and 136,773,671

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Solution

The third proportional to 87,645,196 and 136,773,671 is: 213,440,529.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,645,196 : 136,773,671 = 136,773,671 : x
  2. Step 2: Convert to fraction form
    87,645,196/136,773,671 = 136,773,671/x
  3. Step 3: Cross multiply
    87,645,196x = 136,773,671 × 136,773,671
  4. Step 4: Simplify right side
    87,645,196x = 18,707,037,078,816,240
  5. Step 5: Solve for x
    x = 18,707,037,078,816,240/87,645,196
  6. Step 6: Final answer
    x = 213,440,529.92

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.