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Finding the Third Proportional to 9,965,149 and 21,583,129

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Solution

The third proportional to 9,965,149 and 21,583,129 is: 46,746,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,149 : 21,583,129 = 21,583,129 : x
  2. Step 2: Convert to fraction form
    9,965,149/21,583,129 = 21,583,129/x
  3. Step 3: Cross multiply
    9,965,149x = 21,583,129 × 21,583,129
  4. Step 4: Simplify right side
    9,965,149x = 465,831,457,430,641
  5. Step 5: Solve for x
    x = 465,831,457,430,641/9,965,149
  6. Step 6: Final answer
    x = 46,746,060.44

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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.