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Finding the Third Proportional to 155,953,202 and 242,458,941

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Solution

The third proportional to 155,953,202 and 242,458,941 is: 376,948,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,953,202 : 242,458,941 = 242,458,941 : x
  2. Step 2: Convert to fraction form
    155,953,202/242,458,941 = 242,458,941/x
  3. Step 3: Cross multiply
    155,953,202x = 242,458,941 × 242,458,941
  4. Step 4: Simplify right side
    155,953,202x = 58,786,338,070,841,480
  5. Step 5: Solve for x
    x = 58,786,338,070,841,480/155,953,202
  6. Step 6: Final answer
    x = 376,948,580.20

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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.