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Finding the Third Proportional to 331,634,680.31 and 709,856,151.19

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Solution

The third proportional to 331,634,680.31 and 709,856,151.19 is: 1,519,430,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,634,680.31 : 709,856,151.19 = 709,856,151.19 : x
  2. Step 2: Convert to fraction form
    331,634,680.31/709,856,151.19 = 709,856,151.19/x
  3. Step 3: Cross multiply
    331,634,680.31x = 709,856,151.19 × 709,856,151.19
  4. Step 4: Simplify right side
    331,634,680.31x = 503,895,755,378,730,880
  5. Step 5: Solve for x
    x = 503,895,755,378,730,880/331,634,680.31
  6. Step 6: Final answer
    x = 1,519,430,220.34

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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.