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Finding the Third Proportional to 654,387,228 and 1,431,911,299.50

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Solution

The third proportional to 654,387,228 and 1,431,911,299.50 is: 3,133,267,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,387,228 : 1,431,911,299.50 = 1,431,911,299.50 : x
  2. Step 2: Convert to fraction form
    654,387,228/1,431,911,299.50 = 1,431,911,299.50/x
  3. Step 3: Cross multiply
    654,387,228x = 1,431,911,299.50 × 1,431,911,299.50
  4. Step 4: Simplify right side
    654,387,228x = 2,050,369,969,635,778,816
  5. Step 5: Solve for x
    x = 2,050,369,969,635,778,816/654,387,228
  6. Step 6: Final answer
    x = 3,133,267,096.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.