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Finding the Third Proportional to 484,236,655.31 and 679,479,918.47

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Solution

The third proportional to 484,236,655.31 and 679,479,918.47 is: 953,444,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,236,655.31 : 679,479,918.47 = 679,479,918.47 : x
  2. Step 2: Convert to fraction form
    484,236,655.31/679,479,918.47 = 679,479,918.47/x
  3. Step 3: Cross multiply
    484,236,655.31x = 679,479,918.47 × 679,479,918.47
  4. Step 4: Simplify right side
    484,236,655.31x = 461,692,959,602,299,136
  5. Step 5: Solve for x
    x = 461,692,959,602,299,136/484,236,655.31
  6. Step 6: Final answer
    x = 953,444,879.77

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.