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Finding the Third Proportional to 253,582,238.25 and 387,915,088.50

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Solution

The third proportional to 253,582,238.25 and 387,915,088.50 is: 593,409,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,582,238.25 : 387,915,088.50 = 387,915,088.50 : x
  2. Step 2: Convert to fraction form
    253,582,238.25/387,915,088.50 = 387,915,088.50/x
  3. Step 3: Cross multiply
    253,582,238.25x = 387,915,088.50 × 387,915,088.50
  4. Step 4: Simplify right side
    253,582,238.25x = 150,478,115,885,962,848
  5. Step 5: Solve for x
    x = 150,478,115,885,962,848/253,582,238.25
  6. Step 6: Final answer
    x = 593,409,526.33

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.