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Finding the Third Proportional to 20,909,457 and 45,293,419

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Solution

The third proportional to 20,909,457 and 45,293,419 is: 98,113,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,909,457 : 45,293,419 = 45,293,419 : x
  2. Step 2: Convert to fraction form
    20,909,457/45,293,419 = 45,293,419/x
  3. Step 3: Cross multiply
    20,909,457x = 45,293,419 × 45,293,419
  4. Step 4: Simplify right side
    20,909,457x = 2,051,493,804,709,561
  5. Step 5: Solve for x
    x = 2,051,493,804,709,561/20,909,457
  6. Step 6: Final answer
    x = 98,113,203.26

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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.