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Finding the Third Proportional to 60,542,979 and 129,158,174

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Solution

The third proportional to 60,542,979 and 129,158,174 is: 275,537,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,542,979 : 129,158,174 = 129,158,174 : x
  2. Step 2: Convert to fraction form
    60,542,979/129,158,174 = 129,158,174/x
  3. Step 3: Cross multiply
    60,542,979x = 129,158,174 × 129,158,174
  4. Step 4: Simplify right side
    60,542,979x = 16,681,833,911,014,276
  5. Step 5: Solve for x
    x = 16,681,833,911,014,276/60,542,979
  6. Step 6: Final answer
    x = 275,537,051.31

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.