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Finding the Third Proportional to 59,579,977.50 and 128,565,330.75

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Solution

The third proportional to 59,579,977.50 and 128,565,330.75 is: 277,426,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,579,977.50 : 128,565,330.75 = 128,565,330.75 : x
  2. Step 2: Convert to fraction form
    59,579,977.50/128,565,330.75 = 128,565,330.75/x
  3. Step 3: Cross multiply
    59,579,977.50x = 128,565,330.75 × 128,565,330.75
  4. Step 4: Simplify right side
    59,579,977.50x = 16,529,044,270,856,896
  5. Step 5: Solve for x
    x = 16,529,044,270,856,896/59,579,977.50
  6. Step 6: Final answer
    x = 277,426,158.32

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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.