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Finding the Third Proportional to 1,288,653.75 and 2,911,484.25

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Solution

The third proportional to 1,288,653.75 and 2,911,484.25 is: 6,577,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,653.75 : 2,911,484.25 = 2,911,484.25 : x
  2. Step 2: Convert to fraction form
    1,288,653.75/2,911,484.25 = 2,911,484.25/x
  3. Step 3: Cross multiply
    1,288,653.75x = 2,911,484.25 × 2,911,484.25
  4. Step 4: Simplify right side
    1,288,653.75x = 8,476,740,537,998.06
  5. Step 5: Solve for x
    x = 8,476,740,537,998.06/1,288,653.75
  6. Step 6: Final answer
    x = 6,577,981.51

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.