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Finding the Third Proportional to 62,987,166 and 90,071,750.25

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Solution

The third proportional to 62,987,166 and 90,071,750.25 is: 128,802,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,987,166 : 90,071,750.25 = 90,071,750.25 : x
  2. Step 2: Convert to fraction form
    62,987,166/90,071,750.25 = 90,071,750.25/x
  3. Step 3: Cross multiply
    62,987,166x = 90,071,750.25 × 90,071,750.25
  4. Step 4: Simplify right side
    62,987,166x = 8,112,920,193,098,375
  5. Step 5: Solve for x
    x = 8,112,920,193,098,375/62,987,166
  6. Step 6: Final answer
    x = 128,802,749.96

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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.