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Finding the Third Proportional to 56,861,282 and 81,038,739

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Solution

The third proportional to 56,861,282 and 81,038,739 is: 115,496,467.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861,282 : 81,038,739 = 81,038,739 : x
  2. Step 2: Convert to fraction form
    56,861,282/81,038,739 = 81,038,739/x
  3. Step 3: Cross multiply
    56,861,282x = 81,038,739 × 81,038,739
  4. Step 4: Simplify right side
    56,861,282x = 6,567,277,218,710,121
  5. Step 5: Solve for x
    x = 6,567,277,218,710,121/56,861,282
  6. Step 6: Final answer
    x = 115,496,467.68

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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.