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Finding the Third Proportional to 39,126,152 and 85,810,576

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Solution

The third proportional to 39,126,152 and 85,810,576 is: 188,197,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126,152 : 85,810,576 = 85,810,576 : x
  2. Step 2: Convert to fraction form
    39,126,152/85,810,576 = 85,810,576/x
  3. Step 3: Cross multiply
    39,126,152x = 85,810,576 × 85,810,576
  4. Step 4: Simplify right side
    39,126,152x = 7,363,454,953,451,776
  5. Step 5: Solve for x
    x = 7,363,454,953,451,776/39,126,152
  6. Step 6: Final answer
    x = 188,197,780.18

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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.