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Finding the Third Proportional to 8,991,841.50 and 19,694,943

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Solution

The third proportional to 8,991,841.50 and 19,694,943 is: 43,138,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,841.50 : 19,694,943 = 19,694,943 : x
  2. Step 2: Convert to fraction form
    8,991,841.50/19,694,943 = 19,694,943/x
  3. Step 3: Cross multiply
    8,991,841.50x = 19,694,943 × 19,694,943
  4. Step 4: Simplify right side
    8,991,841.50x = 387,890,779,773,249
  5. Step 5: Solve for x
    x = 387,890,779,773,249/8,991,841.50
  6. Step 6: Final answer
    x = 43,138,080.20

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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.