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Finding the Third Proportional to 21,330,148 and 34,348,566

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Solution

The third proportional to 21,330,148 and 34,348,566 is: 55,312,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330,148 : 34,348,566 = 34,348,566 : x
  2. Step 2: Convert to fraction form
    21,330,148/34,348,566 = 34,348,566/x
  3. Step 3: Cross multiply
    21,330,148x = 34,348,566 × 34,348,566
  4. Step 4: Simplify right side
    21,330,148x = 1,179,823,986,256,356
  5. Step 5: Solve for x
    x = 1,179,823,986,256,356/21,330,148
  6. Step 6: Final answer
    x = 55,312,508.20

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.