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Finding the Third Proportional to 131,326,276 and 285,082,280

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Solution

The third proportional to 131,326,276 and 285,082,280 is: 618,854,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,326,276 : 285,082,280 = 285,082,280 : x
  2. Step 2: Convert to fraction form
    131,326,276/285,082,280 = 285,082,280/x
  3. Step 3: Cross multiply
    131,326,276x = 285,082,280 × 285,082,280
  4. Step 4: Simplify right side
    131,326,276x = 81,271,906,369,998,400
  5. Step 5: Solve for x
    x = 81,271,906,369,998,400/131,326,276
  6. Step 6: Final answer
    x = 618,854,876.92

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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.