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Finding the Third Proportional to 191,587,983 and 419,446,788

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Solution

The third proportional to 191,587,983 and 419,446,788 is: 918,301,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,587,983 : 419,446,788 = 419,446,788 : x
  2. Step 2: Convert to fraction form
    191,587,983/419,446,788 = 419,446,788/x
  3. Step 3: Cross multiply
    191,587,983x = 419,446,788 × 419,446,788
  4. Step 4: Simplify right side
    191,587,983x = 175,935,607,963,516,928
  5. Step 5: Solve for x
    x = 175,935,607,963,516,928/191,587,983
  6. Step 6: Final answer
    x = 918,301,895.60

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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.