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Finding the Third Proportional to 8,537,221.50 and 18,634,623

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Solution

The third proportional to 8,537,221.50 and 18,634,623 is: 40,674,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537,221.50 : 18,634,623 = 18,634,623 : x
  2. Step 2: Convert to fraction form
    8,537,221.50/18,634,623 = 18,634,623/x
  3. Step 3: Cross multiply
    8,537,221.50x = 18,634,623 × 18,634,623
  4. Step 4: Simplify right side
    8,537,221.50x = 347,249,174,352,129
  5. Step 5: Solve for x
    x = 347,249,174,352,129/8,537,221.50
  6. Step 6: Final answer
    x = 40,674,729.40

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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.