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Finding the Third Proportional to 191,909,602 and 273,509,900

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Solution

The third proportional to 191,909,602 and 273,509,900 is: 389,806,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,909,602 : 273,509,900 = 273,509,900 : x
  2. Step 2: Convert to fraction form
    191,909,602/273,509,900 = 273,509,900/x
  3. Step 3: Cross multiply
    191,909,602x = 273,509,900 × 273,509,900
  4. Step 4: Simplify right side
    191,909,602x = 74,807,665,398,010,000
  5. Step 5: Solve for x
    x = 74,807,665,398,010,000/191,909,602
  6. Step 6: Final answer
    x = 389,806,787.25

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.