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Finding the Third Proportional to 343,067,407.50 and 530,096,021.25

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Solution

The third proportional to 343,067,407.50 and 530,096,021.25 is: 819,086,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,067,407.50 : 530,096,021.25 = 530,096,021.25 : x
  2. Step 2: Convert to fraction form
    343,067,407.50/530,096,021.25 = 530,096,021.25/x
  3. Step 3: Cross multiply
    343,067,407.50x = 530,096,021.25 × 530,096,021.25
  4. Step 4: Simplify right side
    343,067,407.50x = 281,001,791,745,080,448
  5. Step 5: Solve for x
    x = 281,001,791,745,080,448/343,067,407.50
  6. Step 6: Final answer
    x = 819,086,236.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.