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Finding the Third Proportional to 158,366,952 and 331,213,458

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Solution

The third proportional to 158,366,952 and 331,213,458 is: 692,709,895.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,366,952 : 331,213,458 = 331,213,458 : x
  2. Step 2: Convert to fraction form
    158,366,952/331,213,458 = 331,213,458/x
  3. Step 3: Cross multiply
    158,366,952x = 331,213,458 × 331,213,458
  4. Step 4: Simplify right side
    158,366,952x = 109,702,354,760,317,760
  5. Step 5: Solve for x
    x = 109,702,354,760,317,760/158,366,952
  6. Step 6: Final answer
    x = 692,709,895.44

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.