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Finding the Third Proportional to 273,431,462.50 and 390,727,199

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Solution

The third proportional to 273,431,462.50 and 390,727,199 is: 558,340,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,431,462.50 : 390,727,199 = 390,727,199 : x
  2. Step 2: Convert to fraction form
    273,431,462.50/390,727,199 = 390,727,199/x
  3. Step 3: Cross multiply
    273,431,462.50x = 390,727,199 × 390,727,199
  4. Step 4: Simplify right side
    273,431,462.50x = 152,667,744,038,385,600
  5. Step 5: Solve for x
    x = 152,667,744,038,385,600/273,431,462.50
  6. Step 6: Final answer
    x = 558,340,077.78

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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.