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Finding the Third Proportional to 143,086,494 and 310,369,884

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Solution

The third proportional to 143,086,494 and 310,369,884 is: 673,225,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,086,494 : 310,369,884 = 310,369,884 : x
  2. Step 2: Convert to fraction form
    143,086,494/310,369,884 = 310,369,884/x
  3. Step 3: Cross multiply
    143,086,494x = 310,369,884 × 310,369,884
  4. Step 4: Simplify right side
    143,086,494x = 96,329,464,894,173,456
  5. Step 5: Solve for x
    x = 96,329,464,894,173,456/143,086,494
  6. Step 6: Final answer
    x = 673,225,419.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.