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Finding the Third Proportional to 58,354,128 and 135,079,416

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Solution

The third proportional to 58,354,128 and 135,079,416 is: 312,684,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,354,128 : 135,079,416 = 135,079,416 : x
  2. Step 2: Convert to fraction form
    58,354,128/135,079,416 = 135,079,416/x
  3. Step 3: Cross multiply
    58,354,128x = 135,079,416 × 135,079,416
  4. Step 4: Simplify right side
    58,354,128x = 18,246,448,626,901,056
  5. Step 5: Solve for x
    x = 18,246,448,626,901,056/58,354,128
  6. Step 6: Final answer
    x = 312,684,796.30

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.