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Finding the Third Proportional to 183,663,753.75 and 399,611,316.38

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Solution

The third proportional to 183,663,753.75 and 399,611,316.38 is: 869,464,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,663,753.75 : 399,611,316.38 = 399,611,316.38 : x
  2. Step 2: Convert to fraction form
    183,663,753.75/399,611,316.38 = 399,611,316.38/x
  3. Step 3: Cross multiply
    183,663,753.75x = 399,611,316.38 × 399,611,316.38
  4. Step 4: Simplify right side
    183,663,753.75x = 159,689,204,174,960,352
  5. Step 5: Solve for x
    x = 159,689,204,174,960,352/183,663,753.75
  6. Step 6: Final answer
    x = 869,464,991.95

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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.