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Finding the Third Proportional to 21,008,815.50 and 45,698,595

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Solution

The third proportional to 21,008,815.50 and 45,698,595 is: 99,404,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,815.50 : 45,698,595 = 45,698,595 : x
  2. Step 2: Convert to fraction form
    21,008,815.50/45,698,595 = 45,698,595/x
  3. Step 3: Cross multiply
    21,008,815.50x = 45,698,595 × 45,698,595
  4. Step 4: Simplify right side
    21,008,815.50x = 2,088,361,584,974,025
  5. Step 5: Solve for x
    x = 2,088,361,584,974,025/21,008,815.50
  6. Step 6: Final answer
    x = 99,404,061.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.