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Finding the Third Proportional to 17,038,978.88 and 36,676,113.75

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Solution

The third proportional to 17,038,978.88 and 36,676,113.75 is: 78,944,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,038,978.88 : 36,676,113.75 = 36,676,113.75 : x
  2. Step 2: Convert to fraction form
    17,038,978.88/36,676,113.75 = 36,676,113.75/x
  3. Step 3: Cross multiply
    17,038,978.88x = 36,676,113.75 × 36,676,113.75
  4. Step 4: Simplify right side
    17,038,978.88x = 1,345,137,319,802,939
  5. Step 5: Solve for x
    x = 1,345,137,319,802,939/17,038,978.88
  6. Step 6: Final answer
    x = 78,944,714.33

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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.