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Finding the Third Proportional to 79,654,725 and 123,019,573.50

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Solution

The third proportional to 79,654,725 and 123,019,573.50 is: 189,992,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,654,725 : 123,019,573.50 = 123,019,573.50 : x
  2. Step 2: Convert to fraction form
    79,654,725/123,019,573.50 = 123,019,573.50/x
  3. Step 3: Cross multiply
    79,654,725x = 123,019,573.50 × 123,019,573.50
  4. Step 4: Simplify right side
    79,654,725x = 15,133,815,464,121,902
  5. Step 5: Solve for x
    x = 15,133,815,464,121,902/79,654,725
  6. Step 6: Final answer
    x = 189,992,689.88

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.