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Finding the Third Proportional to 45,421,041 and 99,635,693

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Solution

The third proportional to 45,421,041 and 99,635,693 is: 218,561,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421,041 : 99,635,693 = 99,635,693 : x
  2. Step 2: Convert to fraction form
    45,421,041/99,635,693 = 99,635,693/x
  3. Step 3: Cross multiply
    45,421,041x = 99,635,693 × 99,635,693
  4. Step 4: Simplify right side
    45,421,041x = 9,927,271,319,590,248
  5. Step 5: Solve for x
    x = 9,927,271,319,590,248/45,421,041
  6. Step 6: Final answer
    x = 218,561,069.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.