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Finding the Third Proportional to 39,125,931 and 85,810,134

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Solution

The third proportional to 39,125,931 and 85,810,134 is: 188,196,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,125,931 : 85,810,134 = 85,810,134 : x
  2. Step 2: Convert to fraction form
    39,125,931/85,810,134 = 85,810,134/x
  3. Step 3: Cross multiply
    39,125,931x = 85,810,134 × 85,810,134
  4. Step 4: Simplify right side
    39,125,931x = 7,363,379,097,097,956
  5. Step 5: Solve for x
    x = 7,363,379,097,097,956/39,125,931
  6. Step 6: Final answer
    x = 188,196,904.43

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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.