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Finding the Third Proportional to 143,934,878 and 310,849,112

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Solution

The third proportional to 143,934,878 and 310,849,112 is: 671,325,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,934,878 : 310,849,112 = 310,849,112 : x
  2. Step 2: Convert to fraction form
    143,934,878/310,849,112 = 310,849,112/x
  3. Step 3: Cross multiply
    143,934,878x = 310,849,112 × 310,849,112
  4. Step 4: Simplify right side
    143,934,878x = 96,627,170,431,188,544
  5. Step 5: Solve for x
    x = 96,627,170,431,188,544/143,934,878
  6. Step 6: Final answer
    x = 671,325,614.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.