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Finding the Third Proportional to 191,918,942 and 417,914,044

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Solution

The third proportional to 191,918,942 and 417,914,044 is: 910,030,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,918,942 : 417,914,044 = 417,914,044 : x
  2. Step 2: Convert to fraction form
    191,918,942/417,914,044 = 417,914,044/x
  3. Step 3: Cross multiply
    191,918,942x = 417,914,044 × 417,914,044
  4. Step 4: Simplify right side
    191,918,942x = 174,652,148,172,433,920
  5. Step 5: Solve for x
    x = 174,652,148,172,433,920/191,918,942
  6. Step 6: Final answer
    x = 910,030,799.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.