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Finding the Third Proportional to 59,579,985 and 128,565,346

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Solution

The third proportional to 59,579,985 and 128,565,346 is: 277,426,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,579,985 : 128,565,346 = 128,565,346 : x
  2. Step 2: Convert to fraction form
    59,579,985/128,565,346 = 128,565,346/x
  3. Step 3: Cross multiply
    59,579,985x = 128,565,346 × 128,565,346
  4. Step 4: Simplify right side
    59,579,985x = 16,529,048,192,099,716
  5. Step 5: Solve for x
    x = 16,529,048,192,099,716/59,579,985
  6. Step 6: Final answer
    x = 277,426,189.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.