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Finding the Third Proportional to 201,593,396 and 439,679,072

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Solution

The third proportional to 201,593,396 and 439,679,072 is: 958,948,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,593,396 : 439,679,072 = 439,679,072 : x
  2. Step 2: Convert to fraction form
    201,593,396/439,679,072 = 439,679,072/x
  3. Step 3: Cross multiply
    201,593,396x = 439,679,072 × 439,679,072
  4. Step 4: Simplify right side
    201,593,396x = 193,317,686,354,781,184
  5. Step 5: Solve for x
    x = 193,317,686,354,781,184/201,593,396
  6. Step 6: Final answer
    x = 958,948,508.19

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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.