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Finding the Third Proportional to 39,428,104.50 and 86,288,904

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Solution

The third proportional to 39,428,104.50 and 86,288,904 is: 188,844,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428,104.50 : 86,288,904 = 86,288,904 : x
  2. Step 2: Convert to fraction form
    39,428,104.50/86,288,904 = 86,288,904/x
  3. Step 3: Cross multiply
    39,428,104.50x = 86,288,904 × 86,288,904
  4. Step 4: Simplify right side
    39,428,104.50x = 7,445,774,953,521,216
  5. Step 5: Solve for x
    x = 7,445,774,953,521,216/39,428,104.50
  6. Step 6: Final answer
    x = 188,844,354.76

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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.