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Finding the Third Proportional to 18,929,148 and 29,282,688

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Solution

The third proportional to 18,929,148 and 29,282,688 is: 45,299,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,148 : 29,282,688 = 29,282,688 : x
  2. Step 2: Convert to fraction form
    18,929,148/29,282,688 = 29,282,688/x
  3. Step 3: Cross multiply
    18,929,148x = 29,282,688 × 29,282,688
  4. Step 4: Simplify right side
    18,929,148x = 857,475,816,505,344
  5. Step 5: Solve for x
    x = 857,475,816,505,344/18,929,148
  6. Step 6: Final answer
    x = 45,299,229.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.