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Finding the Third Proportional to 273,431,466 and 390,727,201.50

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Solution

The third proportional to 273,431,466 and 390,727,201.50 is: 558,340,077.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,431,466 : 390,727,201.50 = 390,727,201.50 : x
  2. Step 2: Convert to fraction form
    273,431,466/390,727,201.50 = 390,727,201.50/x
  3. Step 3: Cross multiply
    273,431,466x = 390,727,201.50 × 390,727,201.50
  4. Step 4: Simplify right side
    273,431,466x = 152,667,745,992,021,600
  5. Step 5: Solve for x
    x = 152,667,745,992,021,600/273,431,466
  6. Step 6: Final answer
    x = 558,340,077.77

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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.