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Finding the Third Proportional to 110,943,972 and 172,458,822

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Solution

The third proportional to 110,943,972 and 172,458,822 is: 268,081,669.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,943,972 : 172,458,822 = 172,458,822 : x
  2. Step 2: Convert to fraction form
    110,943,972/172,458,822 = 172,458,822/x
  3. Step 3: Cross multiply
    110,943,972x = 172,458,822 × 172,458,822
  4. Step 4: Simplify right side
    110,943,972x = 29,742,045,285,627,684
  5. Step 5: Solve for x
    x = 29,742,045,285,627,684/110,943,972
  6. Step 6: Final answer
    x = 268,081,669.96

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.