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Finding the Third Proportional to 58,354,130 and 135,079,421

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Solution

The third proportional to 58,354,130 and 135,079,421 is: 312,684,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,354,130 : 135,079,421 = 135,079,421 : x
  2. Step 2: Convert to fraction form
    58,354,130/135,079,421 = 135,079,421/x
  3. Step 3: Cross multiply
    58,354,130x = 135,079,421 × 135,079,421
  4. Step 4: Simplify right side
    58,354,130x = 18,246,449,977,695,240
  5. Step 5: Solve for x
    x = 18,246,449,977,695,240/58,354,130
  6. Step 6: Final answer
    x = 312,684,808.73

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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.