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Finding the Third Proportional to 90,404,952 and 196,221,696

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Solution

The third proportional to 90,404,952 and 196,221,696 is: 425,894,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,404,952 : 196,221,696 = 196,221,696 : x
  2. Step 2: Convert to fraction form
    90,404,952/196,221,696 = 196,221,696/x
  3. Step 3: Cross multiply
    90,404,952x = 196,221,696 × 196,221,696
  4. Step 4: Simplify right side
    90,404,952x = 38,502,953,981,116,416
  5. Step 5: Solve for x
    x = 38,502,953,981,116,416/90,404,952
  6. Step 6: Final answer
    x = 425,894,302.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.