Home / 4,878,285.75-10,143,660.38

Finding the Third Proportional to 4,878,285.75 and 10,143,660.38

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Solution

The third proportional to 4,878,285.75 and 10,143,660.38 is: 21,092,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,285.75 : 10,143,660.38 = 10,143,660.38 : x
  2. Step 2: Convert to fraction form
    4,878,285.75/10,143,660.38 = 10,143,660.38/x
  3. Step 3: Cross multiply
    4,878,285.75x = 10,143,660.38 × 10,143,660.38
  4. Step 4: Simplify right side
    4,878,285.75x = 102,893,845,803,345.14
  5. Step 5: Solve for x
    x = 102,893,845,803,345.14/4,878,285.75
  6. Step 6: Final answer
    x = 21,092,213.76

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.