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Finding the Third Proportional to 78,475,371.50 and 168,944,173

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Solution

The third proportional to 78,475,371.50 and 168,944,173 is: 363,708,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,475,371.50 : 168,944,173 = 168,944,173 : x
  2. Step 2: Convert to fraction form
    78,475,371.50/168,944,173 = 168,944,173/x
  3. Step 3: Cross multiply
    78,475,371.50x = 168,944,173 × 168,944,173
  4. Step 4: Simplify right side
    78,475,371.50x = 28,542,133,590,653,928
  5. Step 5: Solve for x
    x = 28,542,133,590,653,928/78,475,371.50
  6. Step 6: Final answer
    x = 363,708,167.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.