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Finding the Third Proportional to 143,945,438 and 310,827,953

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Solution

The third proportional to 143,945,438 and 310,827,953 is: 671,184,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,945,438 : 310,827,953 = 310,827,953 : x
  2. Step 2: Convert to fraction form
    143,945,438/310,827,953 = 310,827,953/x
  3. Step 3: Cross multiply
    143,945,438x = 310,827,953 × 310,827,953
  4. Step 4: Simplify right side
    143,945,438x = 96,614,016,366,170,208
  5. Step 5: Solve for x
    x = 96,614,016,366,170,208/143,945,438
  6. Step 6: Final answer
    x = 671,184,983.06

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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.