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Finding the Third Proportional to 687,899,443,953.40 and 1,496,573,497,780.90

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Solution

The third proportional to 687,899,443,953.40 and 1,496,573,497,780.90 is: 3,255,900,631,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,899,443,953.40 : 1,496,573,497,780.90 = 1,496,573,497,780.90 : x
  2. Step 2: Convert to fraction form
    687,899,443,953.40/1,496,573,497,780.90 = 1,496,573,497,780.90/x
  3. Step 3: Cross multiply
    687,899,443,953.40x = 1,496,573,497,780.90 × 1,496,573,497,780.90
  4. Step 4: Simplify right side
    687,899,443,953.40x = 2,239,732,234,260,157,296,541,696
  5. Step 5: Solve for x
    x = 2,239,732,234,260,157,296,541,696/687,899,443,953.40
  6. Step 6: Final answer
    x = 3,255,900,631,912.54

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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.