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Finding the Third Proportional to 74,278,590.75 and 162,906,072.75

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Solution

The third proportional to 74,278,590.75 and 162,906,072.75 is: 357,281,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,278,590.75 : 162,906,072.75 = 162,906,072.75 : x
  2. Step 2: Convert to fraction form
    74,278,590.75/162,906,072.75 = 162,906,072.75/x
  3. Step 3: Cross multiply
    74,278,590.75x = 162,906,072.75 × 162,906,072.75
  4. Step 4: Simplify right side
    74,278,590.75x = 26,538,388,538,828,292
  5. Step 5: Solve for x
    x = 26,538,388,538,828,292/74,278,590.75
  6. Step 6: Final answer
    x = 357,281,799.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.