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Finding the Third Proportional to 64,713,615.75 and 87,460,744.78

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Solution

The third proportional to 64,713,615.75 and 87,460,744.78 is: 118,203,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,713,615.75 : 87,460,744.78 = 87,460,744.78 : x
  2. Step 2: Convert to fraction form
    64,713,615.75/87,460,744.78 = 87,460,744.78/x
  3. Step 3: Cross multiply
    64,713,615.75x = 87,460,744.78 × 87,460,744.78
  4. Step 4: Simplify right side
    64,713,615.75x = 7,649,381,877,690,949
  5. Step 5: Solve for x
    x = 7,649,381,877,690,949/64,713,615.75
  6. Step 6: Final answer
    x = 118,203,592.69

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.