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Finding the Third Proportional to 30,602,913.75 and 64,659,930.75

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Solution

The third proportional to 30,602,913.75 and 64,659,930.75 is: 136,617,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,913.75 : 64,659,930.75 = 64,659,930.75 : x
  2. Step 2: Convert to fraction form
    30,602,913.75/64,659,930.75 = 64,659,930.75/x
  3. Step 3: Cross multiply
    30,602,913.75x = 64,659,930.75 × 64,659,930.75
  4. Step 4: Simplify right side
    30,602,913.75x = 4,180,906,644,594,795.50
  5. Step 5: Solve for x
    x = 4,180,906,644,594,795.50/30,602,913.75
  6. Step 6: Final answer
    x = 136,617,927.26

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.