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Finding the Third Proportional to 58,917,026 and 128,032,292

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Solution

The third proportional to 58,917,026 and 128,032,292 is: 278,226,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,917,026 : 128,032,292 = 128,032,292 : x
  2. Step 2: Convert to fraction form
    58,917,026/128,032,292 = 128,032,292/x
  3. Step 3: Cross multiply
    58,917,026x = 128,032,292 × 128,032,292
  4. Step 4: Simplify right side
    58,917,026x = 16,392,267,794,773,264
  5. Step 5: Solve for x
    x = 16,392,267,794,773,264/58,917,026
  6. Step 6: Final answer
    x = 278,226,327.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.