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Finding the Third Proportional to 251,748,709 and 388,803,012

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Solution

The third proportional to 251,748,709 and 388,803,012 is: 600,470,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,748,709 : 388,803,012 = 388,803,012 : x
  2. Step 2: Convert to fraction form
    251,748,709/388,803,012 = 388,803,012/x
  3. Step 3: Cross multiply
    251,748,709x = 388,803,012 × 388,803,012
  4. Step 4: Simplify right side
    251,748,709x = 151,167,782,140,272,128
  5. Step 5: Solve for x
    x = 151,167,782,140,272,128/251,748,709
  6. Step 6: Final answer
    x = 600,470,932.86

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.