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Finding the Third Proportional to 38,871,456 and 85,043,004

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Solution

The third proportional to 38,871,456 and 85,043,004 is: 186,057,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871,456 : 85,043,004 = 85,043,004 : x
  2. Step 2: Convert to fraction form
    38,871,456/85,043,004 = 85,043,004/x
  3. Step 3: Cross multiply
    38,871,456x = 85,043,004 × 85,043,004
  4. Step 4: Simplify right side
    38,871,456x = 7,232,312,529,344,016
  5. Step 5: Solve for x
    x = 7,232,312,529,344,016/38,871,456
  6. Step 6: Final answer
    x = 186,057,155.39

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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.