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Finding the Third Proportional to 4,209,342 and 9,091,272

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Solution

The third proportional to 4,209,342 and 9,091,272 is: 19,635,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209,342 : 9,091,272 = 9,091,272 : x
  2. Step 2: Convert to fraction form
    4,209,342/9,091,272 = 9,091,272/x
  3. Step 3: Cross multiply
    4,209,342x = 9,091,272 × 9,091,272
  4. Step 4: Simplify right side
    4,209,342x = 82,651,226,577,984
  5. Step 5: Solve for x
    x = 82,651,226,577,984/4,209,342
  6. Step 6: Final answer
    x = 19,635,189.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.