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Finding the Third Proportional to 63,685,259 and 138,183,046

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Solution

The third proportional to 63,685,259 and 138,183,046 is: 299,826,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,685,259 : 138,183,046 = 138,183,046 : x
  2. Step 2: Convert to fraction form
    63,685,259/138,183,046 = 138,183,046/x
  3. Step 3: Cross multiply
    63,685,259x = 138,183,046 × 138,183,046
  4. Step 4: Simplify right side
    63,685,259x = 19,094,554,201,838,116
  5. Step 5: Solve for x
    x = 19,094,554,201,838,116/63,685,259
  6. Step 6: Final answer
    x = 299,826,906.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.