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Finding the Third Proportional to 15,019,693.31 and 30,835,621.69

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Solution

The third proportional to 15,019,693.31 and 30,835,621.69 is: 63,305,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,693.31 : 30,835,621.69 = 30,835,621.69 : x
  2. Step 2: Convert to fraction form
    15,019,693.31/30,835,621.69 = 30,835,621.69/x
  3. Step 3: Cross multiply
    15,019,693.31x = 30,835,621.69 × 30,835,621.69
  4. Step 4: Simplify right side
    15,019,693.31x = 950,835,564,854,620.38
  5. Step 5: Solve for x
    x = 950,835,564,854,620.38/15,019,693.31
  6. Step 6: Final answer
    x = 63,305,924.10

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.