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Finding the Third Proportional to 59,854,924.69 and 128,939,946.19

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Solution

The third proportional to 59,854,924.69 and 128,939,946.19 is: 277,763,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,854,924.69 : 128,939,946.19 = 128,939,946.19 : x
  2. Step 2: Convert to fraction form
    59,854,924.69/128,939,946.19 = 128,939,946.19/x
  3. Step 3: Cross multiply
    59,854,924.69x = 128,939,946.19 × 128,939,946.19
  4. Step 4: Simplify right side
    59,854,924.69x = 16,625,509,722,835,396
  5. Step 5: Solve for x
    x = 16,625,509,722,835,396/59,854,924.69
  6. Step 6: Final answer
    x = 277,763,439.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.