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Finding the Third Proportional to 7,720,122 and 16,500,412

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Solution

The third proportional to 7,720,122 and 16,500,412 is: 35,266,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,122 : 16,500,412 = 16,500,412 : x
  2. Step 2: Convert to fraction form
    7,720,122/16,500,412 = 16,500,412/x
  3. Step 3: Cross multiply
    7,720,122x = 16,500,412 × 16,500,412
  4. Step 4: Simplify right side
    7,720,122x = 272,263,596,169,744
  5. Step 5: Solve for x
    x = 272,263,596,169,744/7,720,122
  6. Step 6: Final answer
    x = 35,266,747.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.