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Finding the Third Proportional to 251,748,700 and 388,802,998

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Solution

The third proportional to 251,748,700 and 388,802,998 is: 600,470,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,748,700 : 388,802,998 = 388,802,998 : x
  2. Step 2: Convert to fraction form
    251,748,700/388,802,998 = 388,802,998/x
  3. Step 3: Cross multiply
    251,748,700x = 388,802,998 × 388,802,998
  4. Step 4: Simplify right side
    251,748,700x = 151,167,771,253,788,000
  5. Step 5: Solve for x
    x = 151,167,771,253,788,000/251,748,700
  6. Step 6: Final answer
    x = 600,470,911.09

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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.