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Finding the Third Proportional to 357,077,145 and 551,526,993

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Solution

The third proportional to 357,077,145 and 551,526,993 is: 851,866,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,077,145 : 551,526,993 = 551,526,993 : x
  2. Step 2: Convert to fraction form
    357,077,145/551,526,993 = 551,526,993/x
  3. Step 3: Cross multiply
    357,077,145x = 551,526,993 × 551,526,993
  4. Step 4: Simplify right side
    357,077,145x = 304,182,024,007,622,080
  5. Step 5: Solve for x
    x = 304,182,024,007,622,080/357,077,145
  6. Step 6: Final answer
    x = 851,866,405.53

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.