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Finding the Third Proportional to 39,569,568 and 85,907,082

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Solution

The third proportional to 39,569,568 and 85,907,082 is: 186,507,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,569,568 : 85,907,082 = 85,907,082 : x
  2. Step 2: Convert to fraction form
    39,569,568/85,907,082 = 85,907,082/x
  3. Step 3: Cross multiply
    39,569,568x = 85,907,082 × 85,907,082
  4. Step 4: Simplify right side
    39,569,568x = 7,380,026,737,754,724
  5. Step 5: Solve for x
    x = 7,380,026,737,754,724/39,569,568
  6. Step 6: Final answer
    x = 186,507,639.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.