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Finding the Third Proportional to 38,871,458 and 85,043,008

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Solution

The third proportional to 38,871,458 and 85,043,008 is: 186,057,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871,458 : 85,043,008 = 85,043,008 : x
  2. Step 2: Convert to fraction form
    38,871,458/85,043,008 = 85,043,008/x
  3. Step 3: Cross multiply
    38,871,458x = 85,043,008 × 85,043,008
  4. Step 4: Simplify right side
    38,871,458x = 7,232,313,209,688,064
  5. Step 5: Solve for x
    x = 7,232,313,209,688,064/38,871,458
  6. Step 6: Final answer
    x = 186,057,163.32

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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.