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Finding the Third Proportional to 11,137,316 and 17,721,837

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Solution

The third proportional to 11,137,316 and 17,721,837 is: 28,199,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137,316 : 17,721,837 = 17,721,837 : x
  2. Step 2: Convert to fraction form
    11,137,316/17,721,837 = 17,721,837/x
  3. Step 3: Cross multiply
    11,137,316x = 17,721,837 × 17,721,837
  4. Step 4: Simplify right side
    11,137,316x = 314,063,506,654,569
  5. Step 5: Solve for x
    x = 314,063,506,654,569/11,137,316
  6. Step 6: Final answer
    x = 28,199,209.46

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.