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Finding the Third Proportional to 191,898,914 and 421,134,292

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Solution

The third proportional to 191,898,914 and 421,134,292 is: 924,205,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,898,914 : 421,134,292 = 421,134,292 : x
  2. Step 2: Convert to fraction form
    191,898,914/421,134,292 = 421,134,292/x
  3. Step 3: Cross multiply
    191,898,914x = 421,134,292 × 421,134,292
  4. Step 4: Simplify right side
    191,898,914x = 177,354,091,898,341,248
  5. Step 5: Solve for x
    x = 177,354,091,898,341,248/191,898,914
  6. Step 6: Final answer
    x = 924,205,813.37

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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.