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Finding the Third Proportional to 1,239,870 and 2,628,537

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Solution

The third proportional to 1,239,870 and 2,628,537 is: 5,572,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,870 : 2,628,537 = 2,628,537 : x
  2. Step 2: Convert to fraction form
    1,239,870/2,628,537 = 2,628,537/x
  3. Step 3: Cross multiply
    1,239,870x = 2,628,537 × 2,628,537
  4. Step 4: Simplify right side
    1,239,870x = 6,909,206,760,369
  5. Step 5: Solve for x
    x = 6,909,206,760,369/1,239,870
  6. Step 6: Final answer
    x = 5,572,525.15

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.