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Finding the Third Proportional to 183,664,402 and 399,612,428

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Solution

The third proportional to 183,664,402 and 399,612,428 is: 869,466,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,664,402 : 399,612,428 = 399,612,428 : x
  2. Step 2: Convert to fraction form
    183,664,402/399,612,428 = 399,612,428/x
  3. Step 3: Cross multiply
    183,664,402x = 399,612,428 × 399,612,428
  4. Step 4: Simplify right side
    183,664,402x = 159,690,092,612,055,168
  5. Step 5: Solve for x
    x = 159,690,092,612,055,168/183,664,402
  6. Step 6: Final answer
    x = 869,466,760.42

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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.