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Finding the Third Proportional to 28,301,929 and 60,640,105

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Solution

The third proportional to 28,301,929 and 60,640,105 is: 129,928,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301,929 : 60,640,105 = 60,640,105 : x
  2. Step 2: Convert to fraction form
    28,301,929/60,640,105 = 60,640,105/x
  3. Step 3: Cross multiply
    28,301,929x = 60,640,105 × 60,640,105
  4. Step 4: Simplify right side
    28,301,929x = 3,677,222,334,411,025
  5. Step 5: Solve for x
    x = 3,677,222,334,411,025/28,301,929
  6. Step 6: Final answer
    x = 129,928,328.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.