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Finding the Third Proportional to 79,219,927.50 and 170,153,709

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Solution

The third proportional to 79,219,927.50 and 170,153,709 is: 365,467,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,219,927.50 : 170,153,709 = 170,153,709 : x
  2. Step 2: Convert to fraction form
    79,219,927.50/170,153,709 = 170,153,709/x
  3. Step 3: Cross multiply
    79,219,927.50x = 170,153,709 × 170,153,709
  4. Step 4: Simplify right side
    79,219,927.50x = 28,952,284,686,456,680
  5. Step 5: Solve for x
    x = 28,952,284,686,456,680/79,219,927.50
  6. Step 6: Final answer
    x = 365,467,194.94

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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.