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Finding the Third Proportional to 192,319,690.50 and 391,430,427.75

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Solution

The third proportional to 192,319,690.50 and 391,430,427.75 is: 796,682,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,319,690.50 : 391,430,427.75 = 391,430,427.75 : x
  2. Step 2: Convert to fraction form
    192,319,690.50/391,430,427.75 = 391,430,427.75/x
  3. Step 3: Cross multiply
    192,319,690.50x = 391,430,427.75 × 391,430,427.75
  4. Step 4: Simplify right side
    192,319,690.50x = 153,217,779,768,547,968
  5. Step 5: Solve for x
    x = 153,217,779,768,547,968/192,319,690.50
  6. Step 6: Final answer
    x = 796,682,749.28

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These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.