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Finding the Third Proportional to 88,145,190 and 191,899,020

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Solution

The third proportional to 88,145,190 and 191,899,020 is: 417,779,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,145,190 : 191,899,020 = 191,899,020 : x
  2. Step 2: Convert to fraction form
    88,145,190/191,899,020 = 191,899,020/x
  3. Step 3: Cross multiply
    88,145,190x = 191,899,020 × 191,899,020
  4. Step 4: Simplify right side
    88,145,190x = 36,825,233,876,960,400
  5. Step 5: Solve for x
    x = 36,825,233,876,960,400/88,145,190
  6. Step 6: Final answer
    x = 417,779,278.45

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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.