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Finding the Third Proportional to 61,572,879 and 133,862,904

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Solution

The third proportional to 61,572,879 and 133,862,904 is: 291,025,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,572,879 : 133,862,904 = 133,862,904 : x
  2. Step 2: Convert to fraction form
    61,572,879/133,862,904 = 133,862,904/x
  3. Step 3: Cross multiply
    61,572,879x = 133,862,904 × 133,862,904
  4. Step 4: Simplify right side
    61,572,879x = 17,919,277,067,313,216
  5. Step 5: Solve for x
    x = 17,919,277,067,313,216/61,572,879
  6. Step 6: Final answer
    x = 291,025,486.52

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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.