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Finding the Third Proportional to 39,218,690 and 58,590,723

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Solution

The third proportional to 39,218,690 and 58,590,723 is: 87,531,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,218,690 : 58,590,723 = 58,590,723 : x
  2. Step 2: Convert to fraction form
    39,218,690/58,590,723 = 58,590,723/x
  3. Step 3: Cross multiply
    39,218,690x = 58,590,723 × 58,590,723
  4. Step 4: Simplify right side
    39,218,690x = 3,432,872,821,662,729
  5. Step 5: Solve for x
    x = 3,432,872,821,662,729/39,218,690
  6. Step 6: Final answer
    x = 87,531,552.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.