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Finding the Third Proportional to 3,640,271 and 7,899,319

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Solution

The third proportional to 3,640,271 and 7,899,319 is: 17,141,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,271 : 7,899,319 = 7,899,319 : x
  2. Step 2: Convert to fraction form
    3,640,271/7,899,319 = 7,899,319/x
  3. Step 3: Cross multiply
    3,640,271x = 7,899,319 × 7,899,319
  4. Step 4: Simplify right side
    3,640,271x = 62,399,240,663,761
  5. Step 5: Solve for x
    x = 62,399,240,663,761/3,640,271
  6. Step 6: Final answer
    x = 17,141,372.35

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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.