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Finding the Third Proportional to 53,972,879.63 and 78,935,092.88

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Solution

The third proportional to 53,972,879.63 and 78,935,092.88 is: 115,442,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,972,879.63 : 78,935,092.88 = 78,935,092.88 : x
  2. Step 2: Convert to fraction form
    53,972,879.63/78,935,092.88 = 78,935,092.88/x
  3. Step 3: Cross multiply
    53,972,879.63x = 78,935,092.88 × 78,935,092.88
  4. Step 4: Simplify right side
    53,972,879.63x = 6,230,748,887,184,876
  5. Step 5: Solve for x
    x = 6,230,748,887,184,876/53,972,879.63
  6. Step 6: Final answer
    x = 115,442,217.10

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.