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Finding the Third Proportional to 86,579,018.44 and 134,173,640.64

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Solution

The third proportional to 86,579,018.44 and 134,173,640.64 is: 207,932,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,579,018.44 : 134,173,640.64 = 134,173,640.64 : x
  2. Step 2: Convert to fraction form
    86,579,018.44/134,173,640.64 = 134,173,640.64/x
  3. Step 3: Cross multiply
    86,579,018.44x = 134,173,640.64 × 134,173,640.64
  4. Step 4: Simplify right side
    86,579,018.44x = 18,002,565,841,711,680
  5. Step 5: Solve for x
    x = 18,002,565,841,711,680/86,579,018.44
  6. Step 6: Final answer
    x = 207,932,200.74

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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.