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Finding the Third Proportional to 28,301,931 and 60,640,109

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Solution

The third proportional to 28,301,931 and 60,640,109 is: 129,928,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301,931 : 60,640,109 = 60,640,109 : x
  2. Step 2: Convert to fraction form
    28,301,931/60,640,109 = 60,640,109/x
  3. Step 3: Cross multiply
    28,301,931x = 60,640,109 × 60,640,109
  4. Step 4: Simplify right side
    28,301,931x = 3,677,222,819,531,881
  5. Step 5: Solve for x
    x = 3,677,222,819,531,881/28,301,931
  6. Step 6: Final answer
    x = 129,928,336.68

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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.