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Finding the Third Proportional to 36,487,620 and 79,326,144

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Solution

The third proportional to 36,487,620 and 79,326,144 is: 172,459,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487,620 : 79,326,144 = 79,326,144 : x
  2. Step 2: Convert to fraction form
    36,487,620/79,326,144 = 79,326,144/x
  3. Step 3: Cross multiply
    36,487,620x = 79,326,144 × 79,326,144
  4. Step 4: Simplify right side
    36,487,620x = 6,292,637,121,908,736
  5. Step 5: Solve for x
    x = 6,292,637,121,908,736/36,487,620
  6. Step 6: Final answer
    x = 172,459,511.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.