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Finding the Third Proportional to 21,674,466 and 29,721,609

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Solution

The third proportional to 21,674,466 and 29,721,609 is: 40,756,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674,466 : 29,721,609 = 29,721,609 : x
  2. Step 2: Convert to fraction form
    21,674,466/29,721,609 = 29,721,609/x
  3. Step 3: Cross multiply
    21,674,466x = 29,721,609 × 29,721,609
  4. Step 4: Simplify right side
    21,674,466x = 883,374,041,548,881
  5. Step 5: Solve for x
    x = 883,374,041,548,881/21,674,466
  6. Step 6: Final answer
    x = 40,756,438.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.