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Finding the Third Proportional to 71,920,006.31 and 155,331,786.38

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Solution

The third proportional to 71,920,006.31 and 155,331,786.38 is: 335,483,339.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,920,006.31 : 155,331,786.38 = 155,331,786.38 : x
  2. Step 2: Convert to fraction form
    71,920,006.31/155,331,786.38 = 155,331,786.38/x
  3. Step 3: Cross multiply
    71,920,006.31x = 155,331,786.38 × 155,331,786.38
  4. Step 4: Simplify right side
    71,920,006.31x = 24,127,963,858,448,636
  5. Step 5: Solve for x
    x = 24,127,963,858,448,636/71,920,006.31
  6. Step 6: Final answer
    x = 335,483,339.00

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.