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Finding the Third Proportional to 155,148,445 and 231,377,252

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Solution

The third proportional to 155,148,445 and 231,377,252 is: 345,059,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,148,445 : 231,377,252 = 231,377,252 : x
  2. Step 2: Convert to fraction form
    155,148,445/231,377,252 = 231,377,252/x
  3. Step 3: Cross multiply
    155,148,445x = 231,377,252 × 231,377,252
  4. Step 4: Simplify right side
    155,148,445x = 53,535,432,743,071,504
  5. Step 5: Solve for x
    x = 53,535,432,743,071,504/155,148,445
  6. Step 6: Final answer
    x = 345,059,421.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.