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Finding the Third Proportional to 63,684,720 and 138,898,179

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Solution

The third proportional to 63,684,720 and 138,898,179 is: 302,940,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,684,720 : 138,898,179 = 138,898,179 : x
  2. Step 2: Convert to fraction form
    63,684,720/138,898,179 = 138,898,179/x
  3. Step 3: Cross multiply
    63,684,720x = 138,898,179 × 138,898,179
  4. Step 4: Simplify right side
    63,684,720x = 19,292,704,129,516,040
  5. Step 5: Solve for x
    x = 19,292,704,129,516,040/63,684,720
  6. Step 6: Final answer
    x = 302,940,864.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.