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Finding the Third Proportional to 143,278,414.50 and 306,990,312

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Solution

The third proportional to 143,278,414.50 and 306,990,312 is: 657,761,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,278,414.50 : 306,990,312 = 306,990,312 : x
  2. Step 2: Convert to fraction form
    143,278,414.50/306,990,312 = 306,990,312/x
  3. Step 3: Cross multiply
    143,278,414.50x = 306,990,312 × 306,990,312
  4. Step 4: Simplify right side
    143,278,414.50x = 94,243,051,661,857,344
  5. Step 5: Solve for x
    x = 94,243,051,661,857,344/143,278,414.50
  6. Step 6: Final answer
    x = 657,761,687.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.