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Finding the Third Proportional to 20,919,038 and 45,312,571

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Solution

The third proportional to 20,919,038 and 45,312,571 is: 98,151,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,919,038 : 45,312,571 = 45,312,571 : x
  2. Step 2: Convert to fraction form
    20,919,038/45,312,571 = 45,312,571/x
  3. Step 3: Cross multiply
    20,919,038x = 45,312,571 × 45,312,571
  4. Step 4: Simplify right side
    20,919,038x = 2,053,229,090,630,041
  5. Step 5: Solve for x
    x = 2,053,229,090,630,041/20,919,038
  6. Step 6: Final answer
    x = 98,151,219.51

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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.