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Finding the Third Proportional to 39,521,428.50 and 85,640,199

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Solution

The third proportional to 39,521,428.50 and 85,640,199 is: 185,576,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521,428.50 : 85,640,199 = 85,640,199 : x
  2. Step 2: Convert to fraction form
    39,521,428.50/85,640,199 = 85,640,199/x
  3. Step 3: Cross multiply
    39,521,428.50x = 85,640,199 × 85,640,199
  4. Step 4: Simplify right side
    39,521,428.50x = 7,334,243,684,759,601
  5. Step 5: Solve for x
    x = 7,334,243,684,759,601/39,521,428.50
  6. Step 6: Final answer
    x = 185,576,381.30

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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.