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Finding the Third Proportional to 9,586,632 and 20,866,128

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Solution

The third proportional to 9,586,632 and 20,866,128 is: 45,416,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,586,632 : 20,866,128 = 20,866,128 : x
  2. Step 2: Convert to fraction form
    9,586,632/20,866,128 = 20,866,128/x
  3. Step 3: Cross multiply
    9,586,632x = 20,866,128 × 20,866,128
  4. Step 4: Simplify right side
    9,586,632x = 435,395,297,712,384
  5. Step 5: Solve for x
    x = 435,395,297,712,384/9,586,632
  6. Step 6: Final answer
    x = 45,416,919.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.