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Finding the Third Proportional to 58,456,138 and 81,725,121

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Solution

The third proportional to 58,456,138 and 81,725,121 is: 114,256,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,456,138 : 81,725,121 = 81,725,121 : x
  2. Step 2: Convert to fraction form
    58,456,138/81,725,121 = 81,725,121/x
  3. Step 3: Cross multiply
    58,456,138x = 81,725,121 × 81,725,121
  4. Step 4: Simplify right side
    58,456,138x = 6,678,995,402,464,641
  5. Step 5: Solve for x
    x = 6,678,995,402,464,641/58,456,138
  6. Step 6: Final answer
    x = 114,256,528.59

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.