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Finding the Third Proportional to 90,404,959 and 196,221,705

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Solution

The third proportional to 90,404,959 and 196,221,705 is: 425,894,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,404,959 : 196,221,705 = 196,221,705 : x
  2. Step 2: Convert to fraction form
    90,404,959/196,221,705 = 196,221,705/x
  3. Step 3: Cross multiply
    90,404,959x = 196,221,705 × 196,221,705
  4. Step 4: Simplify right side
    90,404,959x = 38,502,957,513,107,024
  5. Step 5: Solve for x
    x = 38,502,957,513,107,024/90,404,959
  6. Step 6: Final answer
    x = 425,894,308.66

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