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Finding the Third Proportional to 201,593,394 and 439,679,068

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Solution

The third proportional to 201,593,394 and 439,679,068 is: 958,948,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,593,394 : 439,679,068 = 439,679,068 : x
  2. Step 2: Convert to fraction form
    201,593,394/439,679,068 = 439,679,068/x
  3. Step 3: Cross multiply
    201,593,394x = 439,679,068 × 439,679,068
  4. Step 4: Simplify right side
    201,593,394x = 193,317,682,837,348,608
  5. Step 5: Solve for x
    x = 193,317,682,837,348,608/201,593,394
  6. Step 6: Final answer
    x = 958,948,500.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.