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Finding the Third Proportional to 155,953,200 and 242,458,938

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Solution

The third proportional to 155,953,200 and 242,458,938 is: 376,948,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,953,200 : 242,458,938 = 242,458,938 : x
  2. Step 2: Convert to fraction form
    155,953,200/242,458,938 = 242,458,938/x
  3. Step 3: Cross multiply
    155,953,200x = 242,458,938 × 242,458,938
  4. Step 4: Simplify right side
    155,953,200x = 58,786,336,616,087,840
  5. Step 5: Solve for x
    x = 58,786,336,616,087,840/155,953,200
  6. Step 6: Final answer
    x = 376,948,575.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.