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Finding the Third Proportional to 62,987,165.44 and 90,071,754.19

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Solution

The third proportional to 62,987,165.44 and 90,071,754.19 is: 128,802,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,987,165.44 : 90,071,754.19 = 90,071,754.19 : x
  2. Step 2: Convert to fraction form
    62,987,165.44/90,071,754.19 = 90,071,754.19/x
  3. Step 3: Cross multiply
    62,987,165.44x = 90,071,754.19 × 90,071,754.19
  4. Step 4: Simplify right side
    62,987,165.44x = 8,112,920,902,413,424
  5. Step 5: Solve for x
    x = 8,112,920,902,413,424/62,987,165.44
  6. Step 6: Final answer
    x = 128,802,762.37

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.