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Finding the Third Proportional to 20,697,270 and 43,539,402

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Solution

The third proportional to 20,697,270 and 43,539,402 is: 91,590,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,270 : 43,539,402 = 43,539,402 : x
  2. Step 2: Convert to fraction form
    20,697,270/43,539,402 = 43,539,402/x
  3. Step 3: Cross multiply
    20,697,270x = 43,539,402 × 43,539,402
  4. Step 4: Simplify right side
    20,697,270x = 1,895,679,526,517,604
  5. Step 5: Solve for x
    x = 1,895,679,526,517,604/20,697,270
  6. Step 6: Final answer
    x = 91,590,800.45

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.