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Finding the Third Proportional to 20,502,742 and 45,098,252

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Solution

The third proportional to 20,502,742 and 45,098,252 is: 99,199,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,742 : 45,098,252 = 45,098,252 : x
  2. Step 2: Convert to fraction form
    20,502,742/45,098,252 = 45,098,252/x
  3. Step 3: Cross multiply
    20,502,742x = 45,098,252 × 45,098,252
  4. Step 4: Simplify right side
    20,502,742x = 2,033,852,333,455,504
  5. Step 5: Solve for x
    x = 2,033,852,333,455,504/20,502,742
  6. Step 6: Final answer
    x = 99,199,040.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.