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Finding the Third Proportional to 428,891,272.50 and 936,436,359

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Solution

The third proportional to 428,891,272.50 and 936,436,359 is: 2,044,604,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,891,272.50 : 936,436,359 = 936,436,359 : x
  2. Step 2: Convert to fraction form
    428,891,272.50/936,436,359 = 936,436,359/x
  3. Step 3: Cross multiply
    428,891,272.50x = 936,436,359 × 936,436,359
  4. Step 4: Simplify right side
    428,891,272.50x = 876,913,054,457,176,832
  5. Step 5: Solve for x
    x = 876,913,054,457,176,832/428,891,272.50
  6. Step 6: Final answer
    x = 2,044,604,566.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.