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Finding the Third Proportional to 21,703,340 and 28,932,038

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Solution

The third proportional to 21,703,340 and 28,932,038 is: 38,568,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703,340 : 28,932,038 = 28,932,038 : x
  2. Step 2: Convert to fraction form
    21,703,340/28,932,038 = 28,932,038/x
  3. Step 3: Cross multiply
    21,703,340x = 28,932,038 × 28,932,038
  4. Step 4: Simplify right side
    21,703,340x = 837,062,822,833,444
  5. Step 5: Solve for x
    x = 837,062,822,833,444/21,703,340
  6. Step 6: Final answer
    x = 38,568,387.30

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.