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Finding the Third Proportional to 21,990,639 and 33,554,740.50

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Solution

The third proportional to 21,990,639 and 33,554,740.50 is: 51,199,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990,639 : 33,554,740.50 = 33,554,740.50 : x
  2. Step 2: Convert to fraction form
    21,990,639/33,554,740.50 = 33,554,740.50/x
  3. Step 3: Cross multiply
    21,990,639x = 33,554,740.50 × 33,554,740.50
  4. Step 4: Simplify right side
    21,990,639x = 1,125,920,610,022,340.25
  5. Step 5: Solve for x
    x = 1,125,920,610,022,340.25/21,990,639
  6. Step 6: Final answer
    x = 51,199,995.14

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.