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Finding the Third Proportional to 121,181,046 and 191,916,688

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Solution

The third proportional to 121,181,046 and 191,916,688 is: 303,942,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,181,046 : 191,916,688 = 191,916,688 : x
  2. Step 2: Convert to fraction form
    121,181,046/191,916,688 = 191,916,688/x
  3. Step 3: Cross multiply
    121,181,046x = 191,916,688 × 191,916,688
  4. Step 4: Simplify right side
    121,181,046x = 36,832,015,132,889,344
  5. Step 5: Solve for x
    x = 36,832,015,132,889,344/121,181,046
  6. Step 6: Final answer
    x = 303,942,046.62

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.