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Finding the Third Proportional to 58,479,902,934.75 and 128,170,786,437

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Solution

The third proportional to 58,479,902,934.75 and 128,170,786,437 is: 280,912,752,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,479,902,934.75 : 128,170,786,437 = 128,170,786,437 : x
  2. Step 2: Convert to fraction form
    58,479,902,934.75/128,170,786,437 = 128,170,786,437/x
  3. Step 3: Cross multiply
    58,479,902,934.75x = 128,170,786,437 × 128,170,786,437
  4. Step 4: Simplify right side
    58,479,902,934.75x = 16,427,750,495,879,063,142,400
  5. Step 5: Solve for x
    x = 16,427,750,495,879,063,142,400/58,479,902,934.75
  6. Step 6: Final answer
    x = 280,912,752,440.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.