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Finding the Third Proportional to 156,892,413 and 342,034,278

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Solution

The third proportional to 156,892,413 and 342,034,278 is: 745,653,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,892,413 : 342,034,278 = 342,034,278 : x
  2. Step 2: Convert to fraction form
    156,892,413/342,034,278 = 342,034,278/x
  3. Step 3: Cross multiply
    156,892,413x = 342,034,278 × 342,034,278
  4. Step 4: Simplify right side
    156,892,413x = 116,987,447,326,981,280
  5. Step 5: Solve for x
    x = 116,987,447,326,981,280/156,892,413
  6. Step 6: Final answer
    x = 745,653,949.03

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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.