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Finding the Third Proportional to 191,587,991.50 and 419,446,791

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Solution

The third proportional to 191,587,991.50 and 419,446,791 is: 918,301,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,587,991.50 : 419,446,791 = 419,446,791 : x
  2. Step 2: Convert to fraction form
    191,587,991.50/419,446,791 = 419,446,791/x
  3. Step 3: Cross multiply
    191,587,991.50x = 419,446,791 × 419,446,791
  4. Step 4: Simplify right side
    191,587,991.50x = 175,935,610,480,197,696
  5. Step 5: Solve for x
    x = 175,935,610,480,197,696/191,587,991.50
  6. Step 6: Final answer
    x = 918,301,868.00

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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.