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Finding the Third Proportional to 1,555,645 and 3,376,862

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Solution

The third proportional to 1,555,645 and 3,376,862 is: 7,330,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,645 : 3,376,862 = 3,376,862 : x
  2. Step 2: Convert to fraction form
    1,555,645/3,376,862 = 3,376,862/x
  3. Step 3: Cross multiply
    1,555,645x = 3,376,862 × 3,376,862
  4. Step 4: Simplify right side
    1,555,645x = 11,403,196,967,044
  5. Step 5: Solve for x
    x = 11,403,196,967,044/1,555,645
  6. Step 6: Final answer
    x = 7,330,205.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.