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Finding the Third Proportional to 58,303,810 and 127,590,780

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Solution

The third proportional to 58,303,810 and 127,590,780 is: 279,216,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,303,810 : 127,590,780 = 127,590,780 : x
  2. Step 2: Convert to fraction form
    58,303,810/127,590,780 = 127,590,780/x
  3. Step 3: Cross multiply
    58,303,810x = 127,590,780 × 127,590,780
  4. Step 4: Simplify right side
    58,303,810x = 16,279,407,141,008,400
  5. Step 5: Solve for x
    x = 16,279,407,141,008,400/58,303,810
  6. Step 6: Final answer
    x = 279,216,866.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.